aboutsummaryrefslogtreecommitdiff
path: root/fs/udf/inode.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/udf/inode.c')
-rw-r--r--fs/udf/inode.c948
1 files changed, 368 insertions, 580 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index be6326f449a..0d2c41666cd 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -97,7 +97,8 @@ void udf_delete_inode(struct inode *inode)
unlock_kernel();
return;
- no_delete:
+
+no_delete:
clear_inode(inode);
}
@@ -144,12 +145,12 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block)
}
const struct address_space_operations udf_aops = {
- .readpage = udf_readpage,
- .writepage = udf_writepage,
- .sync_page = block_sync_page,
- .prepare_write = udf_prepare_write,
- .commit_write = generic_commit_write,
- .bmap = udf_bmap,
+ .readpage = udf_readpage,
+ .writepage = udf_writepage,
+ .sync_page = block_sync_page,
+ .prepare_write = udf_prepare_write,
+ .commit_write = generic_commit_write,
+ .bmap = udf_bmap,
};
void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err)
@@ -230,12 +231,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
*block = udf_new_block(inode->i_sb, inode,
UDF_I_LOCATION(inode).partitionReferenceNum,
UDF_I_LOCATION(inode).logicalBlockNum, err);
-
if (!(*block))
return NULL;
newblock = udf_get_pblock(inode->i_sb, *block,
- UDF_I_LOCATION(inode).partitionReferenceNum,
- 0);
+ UDF_I_LOCATION(inode).partitionReferenceNum, 0);
if (!newblock)
return NULL;
dbh = udf_tgetblk(inode->i_sb, newblock);
@@ -247,16 +246,13 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
unlock_buffer(dbh);
mark_buffer_dirty_inode(dbh, inode);
- sfibh.soffset = sfibh.eoffset =
- (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
+ sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
sfibh.sbh = sfibh.ebh = NULL;
dfibh.soffset = dfibh.eoffset = 0;
dfibh.sbh = dfibh.ebh = dbh;
while ((f_pos < size)) {
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
- sfi =
- udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL,
- NULL, NULL);
+ sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL);
if (!sfi) {
brelse(dbh);
return NULL;
@@ -267,8 +263,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
dfibh.eoffset += (sfibh.eoffset - sfibh.soffset);
dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset);
if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,
- sfi->fileIdent +
- le16_to_cpu(sfi->lengthOfImpUse))) {
+ sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) {
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
brelse(dbh);
return NULL;
@@ -276,12 +271,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
}
mark_buffer_dirty_inode(dbh, inode);
- memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0,
- UDF_I_LENALLOC(inode));
+ memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode));
UDF_I_LENALLOC(inode) = 0;
eloc.logicalBlockNum = *block;
- eloc.partitionReferenceNum =
- UDF_I_LOCATION(inode).partitionReferenceNum;
+ eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
elen = inode->i_size;
UDF_I_LENEXTENTS(inode) = elen;
epos.bh = NULL;
@@ -334,11 +327,12 @@ static int udf_get_block(struct inode *inode, sector_t block,
if (new)
set_buffer_new(bh_result);
map_bh(bh_result, inode->i_sb, phys);
- abort:
+
+abort:
unlock_kernel();
return err;
- abort_negative:
+abort_negative:
udf_warning(inode->i_sb, "udf_get_block", "block < 0");
goto abort;
}
@@ -346,13 +340,13 @@ static int udf_get_block(struct inode *inode, sector_t block,
static struct buffer_head *udf_getblk(struct inode *inode, long block,
int create, int *err)
{
+ struct buffer_head *bh;
struct buffer_head dummy;
dummy.b_state = 0;
dummy.b_blocknr = -1000;
*err = udf_get_block(inode, block, &dummy, create);
if (!*err && buffer_mapped(&dummy)) {
- struct buffer_head *bh;
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
if (buffer_new(&dummy)) {
lock_buffer(bh);
@@ -363,6 +357,7 @@ static struct buffer_head *udf_getblk(struct inode *inode, long block,
}
return bh;
}
+
return NULL;
}
@@ -373,42 +368,41 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
sector_t add;
int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
struct super_block *sb = inode->i_sb;
- kernel_lb_addr prealloc_loc = { 0, 0 };
+ kernel_lb_addr prealloc_loc = {};
int prealloc_len = 0;
/* The previous extent is fake and we should not extend by anything
* - there's nothing to do... */
if (!blocks && fake)
return 0;
+
/* Round the last extent up to a multiple of block size */
if (last_ext->extLength & (sb->s_blocksize - 1)) {
last_ext->extLength =
- (last_ext->extLength & UDF_EXTENT_FLAG_MASK) |
- (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) +
- sb->s_blocksize - 1) & ~(sb->s_blocksize - 1));
+ (last_ext->extLength & UDF_EXTENT_FLAG_MASK) |
+ (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) +
+ sb->s_blocksize - 1) & ~(sb->s_blocksize - 1));
UDF_I_LENEXTENTS(inode) =
- (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) &
- ~(sb->s_blocksize - 1);
+ (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) &
+ ~(sb->s_blocksize - 1);
}
+
/* Last extent are just preallocated blocks? */
- if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
- EXT_NOT_RECORDED_ALLOCATED) {
+ if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) {
/* Save the extent so that we can reattach it to the end */
prealloc_loc = last_ext->extLocation;
prealloc_len = last_ext->extLength;
/* Mark the extent as a hole */
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
- (last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
+ (last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
last_ext->extLocation.logicalBlockNum = 0;
- last_ext->extLocation.partitionReferenceNum = 0;
+ last_ext->extLocation.partitionReferenceNum = 0;
}
+
/* Can we merge with the previous extent? */
- if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
- EXT_NOT_RECORDED_NOT_ALLOCATED) {
- add =
- ((1 << 30) - sb->s_blocksize -
- (last_ext->extLength & UDF_EXTENT_LENGTH_MASK)) >> sb->
- s_blocksize_bits;
+ if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) {
+ add = ((1 << 30) - sb->s_blocksize - (last_ext->extLength &
+ UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits;
if (add > blocks)
add = blocks;
blocks -= add;
@@ -419,19 +413,20 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
udf_add_aext(inode, last_pos, last_ext->extLocation,
last_ext->extLength, 1);
count++;
- } else
- udf_write_aext(inode, last_pos, last_ext->extLocation,
- last_ext->extLength, 1);
+ } else {
+ udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1);
+ }
+
/* Managed to do everything necessary? */
if (!blocks)
goto out;
/* All further extents will be NOT_RECORDED_NOT_ALLOCATED */
last_ext->extLocation.logicalBlockNum = 0;
- last_ext->extLocation.partitionReferenceNum = 0;
- add = (1 << (30 - sb->s_blocksize_bits)) - 1;
- last_ext->extLength =
- EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits);
+ last_ext->extLocation.partitionReferenceNum = 0;
+ add = (1 << (30-sb->s_blocksize_bits)) - 1;
+ last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits);
+
/* Create enough extents to cover the whole hole */
while (blocks > add) {
blocks -= add;
@@ -442,22 +437,23 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
}
if (blocks) {
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
- (blocks << sb->s_blocksize_bits);
+ (blocks << sb->s_blocksize_bits);
if (udf_add_aext(inode, last_pos, last_ext->extLocation,
last_ext->extLength, 1) == -1)
return -1;
count++;
}
- out:
+
+out:
/* Do we have some preallocated blocks saved? */
if (prealloc_len) {
- if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1)
- == -1)
+ if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1)
return -1;
last_ext->extLocation = prealloc_loc;
last_ext->extLength = prealloc_len;
count++;
}
+
/* last_pos should point to the last written extent... */
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
last_pos->offset -= sizeof(short_ad);
@@ -465,6 +461,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
last_pos->offset -= sizeof(long_ad);
else
return -1;
+
return count;
}
@@ -490,7 +487,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
prev_epos.block = UDF_I_LOCATION(inode);
prev_epos.bh = NULL;
cur_epos = next_epos = prev_epos;
- b_off = (loff_t) block << inode->i_sb->s_blocksize_bits;
+ b_off = (loff_t)block << inode->i_sb->s_blocksize_bits;
/* find the extent which contains the block we are looking for.
alternate between laarr[0] and laarr[1] for locations of the
@@ -515,8 +512,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
prev_epos.offset = cur_epos.offset;
cur_epos.offset = next_epos.offset;
- if ((etype =
- udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1)
+ if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1)
break;
c = !c;
@@ -526,8 +522,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
pgoal = eloc.logicalBlockNum +
- ((elen + inode->i_sb->s_blocksize - 1) >>
- inode->i_sb->s_blocksize_bits);
+ ((elen + inode->i_sb->s_blocksize - 1) >>
+ inode->i_sb->s_blocksize_bits);
count++;
} while (lbcount + elen <= b_off);
@@ -547,8 +543,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
if (etype == (EXT_RECORDED_ALLOCATED >> 30)) {
if (elen & (inode->i_sb->s_blocksize - 1)) {
elen = EXT_RECORDED_ALLOCATED |
- ((elen + inode->i_sb->s_blocksize - 1) &
- ~(inode->i_sb->s_blocksize - 1));
+ ((elen + inode->i_sb->s_blocksize - 1) &
+ ~(inode->i_sb->s_blocksize - 1));
etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1);
}
brelse(prev_epos.bh);
@@ -570,8 +566,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
startnum = 1;
} else {
/* Create a fake extent when there's not one */
- memset(&laarr[0].extLocation, 0x00,
- sizeof(kernel_lb_addr));
+ memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr));
laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
/* Will udf_extend_file() create real extent from a fake one? */
startnum = (offset > 0);
@@ -591,16 +586,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
offset = 0;
count += ret;
/* We are not covered by a preallocated extent? */
- if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) !=
- EXT_NOT_RECORDED_ALLOCATED) {
+ if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) {
/* Is there any real extent? - otherwise we overwrite
* the fake one... */
if (count)
c = !c;
laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
- inode->i_sb->s_blocksize;
- memset(&laarr[c].extLocation, 0x00,
- sizeof(kernel_lb_addr));
+ inode->i_sb->s_blocksize;
+ memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr));
count++;
endnum++;
}
@@ -618,8 +611,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
}
/* if the current block is located in an extent, read the next extent */
- if ((etype =
- udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) {
+ if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) {
laarr[c + 1].extLength = (etype << 30) | elen;
laarr[c + 1].extLocation = eloc;
count++;
@@ -631,24 +623,21 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
}
/* if the current extent is not recorded but allocated, get the
- block in the extent corresponding to the requested block */
- if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30))
+ * block in the extent corresponding to the requested block */
+ if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
newblocknum = laarr[c].extLocation.logicalBlockNum + offset;
- else { /* otherwise, allocate a new block */
-
+ } else { /* otherwise, allocate a new block */
if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block)
goal = UDF_I_NEXT_ALLOC_GOAL(inode);
if (!goal) {
if (!(goal = pgoal))
- goal =
- UDF_I_LOCATION(inode).logicalBlockNum + 1;
+ goal = UDF_I_LOCATION(inode).logicalBlockNum + 1;
}
if (!(newblocknum = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).
- partitionReferenceNum, goal,
- err))) {
+ UDF_I_LOCATION(inode).partitionReferenceNum,
+ goal, err))) {
brelse(prev_epos.bh);
*err = -ENOSPC;
return NULL;
@@ -657,8 +646,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
}
/* if the extent the requsted block is located in contains multiple blocks,
- split the extent into at most three extents. blocks prior to requested
- block, requested block, and blocks after requested block */
+ * split the extent into at most three extents. blocks prior to requested
+ * block, requested block, and blocks after requested block */
udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);
#ifdef UDF_PREALLOCATE
@@ -670,15 +659,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
udf_merge_extents(inode, laarr, &endnum);
/* write back the new extents, inserting new extents if the new number
- of extents is greater than the old number, and deleting extents if
- the new number of extents is less than the old number */
+ * of extents is greater than the old number, and deleting extents if
+ * the new number of extents is less than the old number */
udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
brelse(prev_epos.bh);
if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum,
- UDF_I_LOCATION(inode).
- partitionReferenceNum, 0))) {
+ UDF_I_LOCATION(inode).partitionReferenceNum, 0))) {
return NULL;
}
*phys = newblock;
@@ -692,6 +680,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
udf_sync_inode(inode);
else
mark_inode_dirty(inode);
+
return result;
}
@@ -701,16 +690,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
int *endnum)
{
if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) ||
- (laarr[*c].extLength >> 30) ==
- (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
+ (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
int curr = *c;
int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits;
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
int8_t etype = (laarr[curr].extLength >> 30);
- if (blen == 1) ;
- else if (!offset || blen == offset + 1) {
+ if (blen == 1) {
+ ;
+ } else if (!offset || blen == offset + 1) {
laarr[curr + 2] = laarr[curr + 1];
laarr[curr + 1] = laarr[curr];
} else {
@@ -720,20 +708,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
if (offset) {
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
- udf_free_blocks(inode->i_sb, inode,
- laarr[curr].extLocation, 0,
- offset);
- laarr[curr].extLength =
- EXT_NOT_RECORDED_NOT_ALLOCATED | (offset <<
- inode->
- i_sb->
- s_blocksize_bits);
+ udf_free_blocks(inode->i_sb, inode, laarr[curr].extLocation, 0, offset);
+ laarr[curr].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
+ (offset << inode->i_sb->s_blocksize_bits);
laarr[curr].extLocation.logicalBlockNum = 0;
- laarr[curr].extLocation.partitionReferenceNum =
- 0;
- } else
+ laarr[curr].extLocation.partitionReferenceNum = 0;
+ } else {
laarr[curr].extLength = (etype << 30) |
- (offset << inode->i_sb->s_blocksize_bits);
+ (offset << inode->i_sb->s_blocksize_bits);
+ }
curr++;
(*c)++;
(*endnum)++;
@@ -742,18 +725,16 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
laarr[curr].extLocation.logicalBlockNum = newblocknum;
if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
laarr[curr].extLocation.partitionReferenceNum =
- UDF_I_LOCATION(inode).partitionReferenceNum;
+ UDF_I_LOCATION(inode).partitionReferenceNum;
laarr[curr].extLength = EXT_RECORDED_ALLOCATED |
- inode->i_sb->s_blocksize;
+ inode->i_sb->s_blocksize;
curr++;
if (blen != offset + 1) {
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
- laarr[curr].extLocation.logicalBlockNum +=
- (offset + 1);
- laarr[curr].extLength =
- (etype << 30) | ((blen - (offset + 1)) << inode->
- i_sb->s_blocksize_bits);
+ laarr[curr].extLocation.logicalBlockNum += (offset + 1);
+ laarr[curr].extLength = (etype << 30) |
+ ((blen - (offset + 1)) << inode->i_sb->s_blocksize_bits);
curr++;
(*endnum)++;
}
@@ -772,90 +753,69 @@ static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,
else
start = c;
} else {
- if ((laarr[c + 1].extLength >> 30) ==
- (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
+ if ((laarr[c + 1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
start = c + 1;
- length = currlength =
- (((laarr[c + 1].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits);
- } else
+ length = currlength = (((laarr[c + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ } else {
start = c;
+ }
}
for (i = start + 1; i <= *endnum; i++) {
if (i == *endnum) {
if (lastblock)
length += UDF_DEFAULT_PREALLOC_BLOCKS;
- } else if ((laarr[i].extLength >> 30) ==
- (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
- length +=
- (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits);
- else
+ } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
+ length += (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ } else {
break;
+ }
}
if (length) {
int next = laarr[start].extLocation.logicalBlockNum +
- (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits);
+ (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
int numalloc = udf_prealloc_blocks(inode->i_sb, inode,
- laarr[start].extLocation.
- partitionReferenceNum,
- next,
- (UDF_DEFAULT_PREALLOC_BLOCKS
- >
- length ? length :
- UDF_DEFAULT_PREALLOC_BLOCKS)
- - currlength);
-
- if (numalloc) {
- if (start == (c + 1))
+ laarr[start].extLocation.partitionReferenceNum,
+ next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length :
+ UDF_DEFAULT_PREALLOC_BLOCKS) - currlength);
+ if (numalloc) {
+ if (start == (c + 1)) {
laarr[start].extLength +=
- (numalloc << inode->i_sb->s_blocksize_bits);
- else {
+ (numalloc << inode->i_sb->s_blocksize_bits);
+ } else {
memmove(&laarr[c + 2], &laarr[c + 1],
sizeof(long_ad) * (*endnum - (c + 1)));
(*endnum)++;
laarr[c + 1].extLocation.logicalBlockNum = next;
laarr[c + 1].extLocation.partitionReferenceNum =
- laarr[c].extLocation.partitionReferenceNum;
- laarr[c + 1].extLength =
- EXT_NOT_RECORDED_ALLOCATED | (numalloc <<
- inode->i_sb->
- s_blocksize_bits);
+ laarr[c].extLocation.partitionReferenceNum;
+ laarr[c + 1].extLength = EXT_NOT_RECORDED_ALLOCATED |
+ (numalloc << inode->i_sb->s_blocksize_bits);
start = c + 1;
}
for (i = start + 1; numalloc && i < *endnum; i++) {
- int elen =
- ((laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits;
+ int elen = ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
if (elen > numalloc) {
laarr[i].extLength -=
- (numalloc << inode->i_sb->
- s_blocksize_bits);
+ (numalloc << inode->i_sb->s_blocksize_bits);
numalloc = 0;
} else {
numalloc -= elen;
if (*endnum > (i + 1))
- memmove(&laarr[i],
- &laarr[i + 1],
- sizeof(long_ad) *
- (*endnum - (i + 1)));
+ memmove(&laarr[i], &laarr[i + 1],
+ sizeof(long_ad) * (*endnum - (i + 1)));
i--;
(*endnum)--;
}
}
- UDF_I_LENEXTENTS(inode) +=
- numalloc << inode->i_sb->s_blocksize_bits;
+ UDF_I_LENEXTENTS(inode) += numalloc << inode->i_sb->s_blocksize_bits;
}
}
}
@@ -867,119 +827,68 @@ static void udf_merge_extents(struct inode *inode,
int i;
for (i = 0; i < (*endnum - 1); i++) {
- if ((laarr[i].extLength >> 30) ==
- (laarr[i + 1].extLength >> 30)) {
- if (((laarr[i].extLength >> 30) ==
- (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
- ||
- ((laarr[i + 1].extLocation.logicalBlockNum -
- laarr[i].extLocation.logicalBlockNum) ==
+ if ((laarr[i].extLength >> 30) == (laarr[i + 1].extLength >> 30)) {
+ if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) ||
+ ((laarr[i + 1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) ==
(((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits))) {
- if (((laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- (laarr[i + 1].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) & ~UDF_EXTENT_LENGTH_MASK) {
- laarr[i + 1].extLength =
- (laarr[i + 1].extLength -
- (laarr[i].
- extLength &
- UDF_EXTENT_LENGTH_MASK) +
- UDF_EXTENT_LENGTH_MASK) & ~(inode->
- i_sb->
- s_blocksize
- - 1);
- laarr[i].extLength =
- (laarr[i].
- extLength & UDF_EXTENT_FLAG_MASK) +
- (UDF_EXTENT_LENGTH_MASK + 1) -
- inode->i_sb->s_blocksize;
- laarr[i +
- 1].extLocation.logicalBlockNum =
- laarr[i].extLocation.
- logicalBlockNum +
- ((laarr[i].
- extLength &
- UDF_EXTENT_LENGTH_MASK) >> inode->
- i_sb->s_blocksize_bits);
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits))) {
+ if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
+ laarr[i + 1].extLength = (laarr[i + 1].extLength -
+ (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1);
+ laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) +
+ (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize;
+ laarr[i + 1].extLocation.logicalBlockNum =
+ laarr[i].extLocation.logicalBlockNum +
+ ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) >>
+ inode->i_sb->s_blocksize_bits);
} else {
- laarr[i].extLength =
- laarr[i + 1].extLength +
- (((laarr[i].
- extLength &
- UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) & ~(inode->i_sb->s_blocksize -
- 1));
+ laarr[i].extLength = laarr[i + 1].extLength +
+ (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1));
if (*endnum > (i + 2))
- memmove(&laarr[i + 1],
- &laarr[i + 2],
- sizeof(long_ad) *
- (*endnum - (i + 2)));
+ memmove(&laarr[i + 1], &laarr[i + 2],
+ sizeof(long_ad) * (*endnum - (i + 2)));
i--;
(*endnum)--;
}
}
- } else
- if (((laarr[i].extLength >> 30) ==
- (EXT_NOT_RECORDED_ALLOCATED >> 30))
- && ((laarr[i + 1].extLength >> 30) ==
- (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
- udf_free_blocks(inode->i_sb, inode,
- laarr[i].extLocation, 0,
- ((laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits);
+ } else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
+ ((laarr[i + 1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
+ udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0,
+ ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
laarr[i].extLocation.logicalBlockNum = 0;
laarr[i].extLocation.partitionReferenceNum = 0;
if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
(laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) & ~UDF_EXTENT_LENGTH_MASK) {
- laarr[i + 1].extLength =
- (laarr[i + 1].extLength -
- (laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->
- s_blocksize -
- 1);
- laarr[i].extLength =
- (laarr[i].
- extLength & UDF_EXTENT_FLAG_MASK) +
- (UDF_EXTENT_LENGTH_MASK + 1) -
- inode->i_sb->s_blocksize;
+ inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
+ laarr[i + 1].extLength = (laarr[i + 1].extLength -
+ (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1);
+ laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) +
+ (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize;
} else {
laarr[i].extLength = laarr[i + 1].extLength +
- (((laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) & ~(inode->i_sb->s_blocksize - 1));
+ (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1));
if (*endnum > (i + 2))
memmove(&laarr[i + 1], &laarr[i + 2],
- sizeof(long_ad) * (*endnum -
- (i + 2)));
+ sizeof(long_ad) * (*endnum - (i + 2)));
i--;
(*endnum)--;
}
- } else if ((laarr[i].extLength >> 30) ==
- (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
- udf_free_blocks(inode->i_sb, inode,
- laarr[i].extLocation, 0,
- ((laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize -
- 1) >> inode->i_sb->s_blocksize_bits);
+ } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
+ udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0,
+ ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
laarr[i].extLocation.logicalBlockNum = 0;
laarr[i].extLocation.partitionReferenceNum = 0;
- laarr[i].extLength =
- (laarr[i].
- extLength & UDF_EXTENT_LENGTH_MASK) |
- EXT_NOT_RECORDED_NOT_ALLOCATED;
+ laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) |
+ EXT_NOT_RECORDED_NOT_ALLOCATED;
}
}
}
@@ -1025,10 +934,13 @@ struct buffer_head *udf_bread(struct inode *inode, int block,
if (buffer_uptodate(bh))
return bh;
+
ll_rw_block(READ, 1, &bh);
+
wait_on_buffer(bh);
if (buffer_uptodate(bh))
return bh;
+
brelse(bh);
*err = -EIO;
return NULL;
@@ -1047,26 +959,24 @@ void udf_truncate(struct inode *inode)
lock_kernel();
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
- if (inode->i_sb->s_blocksize <
- (udf_file_entry_alloc_offset(inode) + inode->i_size)) {
+ if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
+ inode->i_size)) {
udf_expand_file_adinicb(inode, inode->i_size, &err);
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
inode->i_size = UDF_I_LENALLOC(inode);
unlock_kernel();
return;
- } else
+ } else {
udf_truncate_extents(inode);
+ }
} else {
offset = inode->i_size & (inode->i_sb->s_blocksize - 1);
- memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) +
- offset, 0x00,
- inode->i_sb->s_blocksize - offset -
- udf_file_entry_alloc_offset(inode));
+ memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00,
+ inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode));
UDF_I_LENALLOC(inode) = inode->i_size;
}
} else {
- block_truncate_page(inode->i_mapping, inode->i_size,
- udf_get_block);
+ block_truncate_page(inode->i_mapping, inode->i_size, udf_get_block);
udf_truncate_extents(inode);
}
@@ -1097,7 +1007,6 @@ static void __udf_read_inode(struct inode *inode)
* i_op = NULL;
*/
bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident);
-
if (!bh) {
printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n",
inode->i_ino);
@@ -1107,8 +1016,7 @@ static void __udf_read_inode(struct inode *inode)
if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE &&
ident != TAG_IDENT_USE) {
- printk(KERN_ERR
- "udf: udf_read_inode(ino %ld) failed ident=%d\n",
+ printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n",
inode->i_ino, ident);
brelse(bh);
make_bad_inode(inode);
@@ -1121,9 +1029,7 @@ static void __udf_read_inode(struct inode *inode)
struct buffer_head *ibh = NULL, *nbh = NULL;
struct indirectEntry *ie;
- ibh =
- udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1,
- &ident);
+ ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, &ident);
if (ident == TAG_IDENT_IE) {
if (ibh) {
kernel_lb_addr loc;
@@ -1132,13 +1038,10 @@ static void __udf_read_inode(struct inode *inode)
loc = lelb_to_cpu(ie->indirectICB.extLocation);
if (ie->indirectICB.extLength &&
- (nbh =
- udf_read_ptagged(inode->i_sb, loc, 0,
- &ident))) {
- if (ident == TAG_IDENT_FE
- || ident == TAG_IDENT_EFE) {
- memcpy(&UDF_I_LOCATION(inode),
- &loc,
+ (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident))) {
+ if (ident == TAG_IDENT_FE ||
+ ident == TAG_IDENT_EFE) {
+ memcpy(&UDF_I_LOCATION(inode), &loc,
sizeof(kernel_lb_addr));
brelse(bh);
brelse(ibh);
@@ -1149,11 +1052,13 @@ static void __udf_read_inode(struct inode *inode)
brelse(nbh);
brelse(ibh);
}
- } else
+ } else {
brelse(ibh);
+ }
}
- } else
+ } else {
brelse(ibh);
+ }
} else if (le16_to_cpu(fe->icbTag.strategyType) != 4) {
printk(KERN_ERR "udf: unsupported strategy type: %d\n",
le16_to_cpu(fe->icbTag.strategyType));
@@ -1179,11 +1084,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
if (le16_to_cpu(fe->icbTag.strategyType) == 4)
UDF_I_STRAT4096(inode) = 0;
- else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */
+ else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */
UDF_I_STRAT4096(inode) = 1;
- UDF_I_ALLOCTYPE(inode) =
- le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK;
+ UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK;
UDF_I_UNIQUE(inode) = 0;
UDF_I_LENEATTR(inode) = 0;
UDF_I_LENEXTENTS(inode) = 0;
@@ -1193,23 +1097,16 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) {
UDF_I_EFE(inode) = 1;
UDF_I_USE(inode) = 0;
- if (udf_alloc_i_data
- (inode,
- inode->i_sb->s_blocksize -
- sizeof(struct extendedFileEntry))) {
+ if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry))) {
make_bad_inode(inode);
return;
}
- memcpy(UDF_I_DATA(inode),
- bh->b_data + sizeof(struct extendedFileEntry),
- inode->i_sb->s_blocksize -
- sizeof(struct extendedFileEntry));
+ memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry),
+ inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
} else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) {
UDF_I_EFE(inode) = 0;
UDF_I_USE(inode) = 0;
- if (udf_alloc_i_data
- (inode,
- inode->i_sb->s_blocksize - sizeof(struct fileEntry))) {
+ if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct fileEntry))) {
make_bad_inode(inode);
return;
}
@@ -1219,19 +1116,13 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
UDF_I_EFE(inode) = 0;
UDF_I_USE(inode) = 1;
UDF_I_LENALLOC(inode) =
- le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->
- lengthAllocDescs);
- if (udf_alloc_i_data
- (inode,
- inode->i_sb->s_blocksize -
- sizeof(struct unallocSpaceEntry))) {
+ le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs);
+ if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry))) {
make_bad_inode(inode);
return;
}
- memcpy(UDF_I_DATA(inode),
- bh->b_data + sizeof(struct unallocSpaceEntry),
- inode->i_sb->s_blocksize -
- sizeof(struct unallocSpaceEntry));
+ memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry),
+ inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
return;
}
@@ -1257,7 +1148,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
if (UDF_I_EFE(inode) == 0) {
inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
- (inode->i_sb->s_blocksize_bits - 9);
+ (inode->i_sb->s_blocksize_bits - 9);
if (udf_stamp_to_time(&convtime, &convtime_usec,
lets_to_cpu(fe->accessTime))) {
@@ -1326,78 +1217,56 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID);
UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr);
UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs);
- offset =
- sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode);
+ offset = sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode);
}
switch (fe->icbTag.fileType) {
case ICBTAG_FILE_TYPE_DIRECTORY:
- {
- inode->i_op = &udf_dir_inode_operations;
- inode->i_fop = &udf_dir_operations;
- inode->i_mode |= S_IFDIR;
- inc_nlink(inode);
- break;
- }
+ inode->i_op = &udf_dir_inode_operations;
+ inode->i_fop = &udf_dir_operations;
+ inode->i_mode |= S_IFDIR;
+ inc_nlink(inode);
+ break;
case ICBTAG_FILE_TYPE_REALTIME:
case ICBTAG_FILE_TYPE_REGULAR:
case ICBTAG_FILE_TYPE_UNDEF:
- {
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
- inode->i_data.a_ops = &udf_adinicb_aops;
- else
- inode->i_data.a_ops = &udf_aops;
- inode->i_op = &udf_file_inode_operations;
- inode->i_fop = &udf_file_operations;
- inode->i_mode |= S_IFREG;
- break;
- }
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
+ inode->i_data.a_ops = &udf_adinicb_aops;
+ else
+ inode->i_data.a_ops = &udf_aops;
+ inode->i_op = &udf_file_inode_operations;
+ inode->i_fop = &udf_file_operations;
+ inode->i_mode |= S_IFREG;
+ break;
case ICBTAG_FILE_TYPE_BLOCK:
- {
- inode->i_mode |= S_IFBLK;
- break;
- }
+ inode->i_mode |= S_IFBLK;
+ break;
case ICBTAG_FILE_TYPE_CHAR:
- {
- inode->i_mode |= S_IFCHR;
- break;
- }
+ inode->i_mode |= S_IFCHR;
+ break;
case ICBTAG_FILE_TYPE_FIFO:
- {
- init_special_inode(inode, inode->i_mode | S_IFIFO, 0);
- break;
- }
+ init_special_inode(inode, inode->i_mode | S_IFIFO, 0);
+ break;
case ICBTAG_FILE_TYPE_SOCKET:
- {
- init_special_inode(inode, inode->i_mode | S_IFSOCK, 0);
- break;
- }
+ init_special_inode(inode, inode->i_mode | S_IFSOCK, 0);
+ break;
case ICBTAG_FILE_TYPE_SYMLINK:
- {
- inode->i_data.a_ops = &udf_symlink_aops;
- inode->i_op = &page_symlink_inode_operations;
- inode->i_mode = S_IFLNK | S_IRWXUGO;
- break;
- }
+ inode->i_data.a_ops = &udf_symlink_aops;
+ inode->i_op = &page_symlink_inode_operations;
+ inode->i_mode = S_IFLNK | S_IRWXUGO;
+ break;
default:
- {
- printk(KERN_ERR
- "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n",
- inode->i_ino, fe->icbTag.fileType);
- make_bad_inode(inode);
- return;
- }
+ printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n",
+ inode->i_ino, fe->icbTag.fileType);
+ make_bad_inode(inode);
+ return;
}
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
- struct deviceSpec *dsea = (struct deviceSpec *)
- udf_get_extendedattr(inode, 12, 1);
-
+ struct deviceSpec *dsea = (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
if (dsea) {
init_special_inode(inode, inode->i_mode,
- MKDEV(le32_to_cpu
- (dsea->majorDeviceIdent),
- le32_to_cpu(dsea->
- minorDeviceIdent)));
+ MKDEV(le32_to_cpu(dsea->majorDeviceIdent),
+ le32_to_cpu(dsea->minorDeviceIdent)));
/* Developer ID ??? */
} else {
make_bad_inode(inode);
@@ -1410,8 +1279,7 @@ static int udf_alloc_i_data(struct inode *inode, size_t size)
UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL);
if (!UDF_I_DATA(inode)) {
- printk(KERN_ERR
- "udf:udf_alloc_i_data (ino %ld) no free memory\n",
+ printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) no free memory\n",
inode->i_ino);
return -ENOMEM;
}
@@ -1428,12 +1296,12 @@ static mode_t udf_convert_permissions(struct fileEntry *fe)
permissions = le32_to_cpu(fe->permissions);
flags = le16_to_cpu(fe->icbTag.flags);
- mode = ((permissions) & S_IRWXO) |
- ((permissions >> 2) & S_IRWXG) |
- ((permissions >> 4) & S_IRWXU) |
- ((flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) |
- ((flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) |
- ((flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0);
+ mode = (( permissions ) & S_IRWXO) |
+ (( permissions >> 2 ) & S_IRWXG) |
+ (( permissions >> 4 ) & S_IRWXU) |
+ (( flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) |
+ (( flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) |
+ (( flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0);
return mode;
}
@@ -1456,9 +1324,11 @@ static mode_t udf_convert_permissions(struct fileEntry *fe)
int udf_write_inode(struct inode *inode, int sync)
{
int ret;
+
lock_kernel();
ret = udf_update_inode(inode, sync);
unlock_kernel();
+
return ret;
}
@@ -1479,10 +1349,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
kernel_timestamp cpu_time;
int err = 0;
- bh = udf_tread(inode->i_sb,
- udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode),
- 0));
-
+ bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0));
if (!bh) {
udf_debug("bread failure\n");
return -EIO;
@@ -1495,27 +1362,21 @@ static int udf_update_inode(struct inode *inode, int do_sync)
if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
struct unallocSpaceEntry *use =
- (struct unallocSpaceEntry *)bh->b_data;
+ (struct unallocSpaceEntry *)bh->b_data;
use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
- memcpy(bh->b_data + sizeof(struct unallocSpaceEntry),
- UDF_I_DATA(inode),
- inode->i_sb->s_blocksize -
- sizeof(struct unallocSpaceEntry));
- crclen =
- sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) -
- sizeof(tag);
- use->descTag.tagLocation =
- cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
+ memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode),
+ inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
+ crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - sizeof(tag);
+ use->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
use->descTag.descCRCLength = cpu_to_le16(crclen);
- use->descTag.descCRC =
- cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0));
+ use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0));
use->descTag.tagChecksum = 0;
- for (i = 0; i < 16; i++)
+ for (i = 0; i < 16; i++) {
if (i != 4)
- use->descTag.tagChecksum +=
- ((uint8_t *) & (use->descTag))[i];
+ use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i];
+ }
mark_buffer_dirty(bh);
brelse(bh);
@@ -1532,13 +1393,14 @@ static int udf_update_inode(struct inode *inode, int do_sync)
else
fe->gid = cpu_to_le32(inode->i_gid);
- udfperms = ((inode->i_mode & S_IRWXO)) |
- ((inode->i_mode & S_IRWXG) << 2) | ((inode->i_mode & S_IRWXU) << 4);
+ udfperms = ((inode->i_mode & S_IRWXO) ) |
+ ((inode->i_mode & S_IRWXG) << 2) |
+ ((inode->i_mode & S_IRWXU) << 4);
- udfperms |= (le32_to_cpu(fe->permissions) &
- (FE_PERM_O_DELETE | FE_PERM_O_CHATTR |
- FE_PERM_G_DELETE | FE_PERM_G_CHATTR |
- FE_PERM_U_DELETE | FE_PERM_U_CHATTR));
+ udfperms |= (le32_to_cpu(fe->permissions) &
+ (FE_PERM_O_DELETE | FE_PERM_O_CHATTR |
+ FE_PERM_G_DELETE | FE_PERM_G_CHATTR |
+ FE_PERM_U_DELETE | FE_PERM_U_CHATTR));
fe->permissions = cpu_to_le32(udfperms);
if (S_ISDIR(inode->i_mode))
@@ -1550,22 +1412,20 @@ static int udf_update_inode(struct inode *inode, int do_sync)
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
regid *eid;
- struct deviceSpec *dsea = (struct deviceSpec *)
- udf_get_extendedattr(inode, 12, 1);
-
+ struct deviceSpec *dsea =
+ (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
if (!dsea) {
dsea = (struct deviceSpec *)
- udf_add_extendedattr(inode,
- sizeof(struct deviceSpec) +
- sizeof(regid), 12, 0x3);
+ udf_add_extendedattr(inode,
+ sizeof(struct deviceSpec) +
+ sizeof(regid), 12, 0x3);
dsea->attrType = cpu_to_le32(12);
dsea->attrSubtype = 1;
- dsea->attrLength =
- cpu_to_le32(sizeof(struct deviceSpec) +
- sizeof(regid));
+ dsea->attrLength = cpu_to_le32(sizeof(struct deviceSpec) +
+ sizeof(regid));
dsea->impUseLength = cpu_to_le32(sizeof(regid));
}
- eid = (regid *) dsea->impUse;
+ eid = (regid *)dsea->impUse;
memset(eid, 0, sizeof(regid));
strcpy(eid->ident, UDF_ID_DEVELOPER);
eid->identSuffix[0] = UDF_OS_CLASS_UNIX;
@@ -1577,10 +1437,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
if (UDF_I_EFE(inode) == 0) {
memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode),
inode->i_sb->s_blocksize - sizeof(struct fileEntry));
- fe->logicalBlocksRecorded =
- cpu_to_le64((inode->i_blocks +
- (1 << (inode->i_sb->s_blocksize_bits - 9)) -
- 1) >> (inode->i_sb->s_blocksize_bits - 9));
+ fe->logicalBlocksRecorded = cpu_to_le64(
+ (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >>
+ (inode->i_sb->s_blocksize_bits - 9));
if (udf_time_to_stamp(&cpu_time, inode->i_atime))
fe->accessTime = cpu_to_lets(cpu_time);
@@ -1598,19 +1457,12 @@ static int udf_update_inode(struct inode *inode, int do_sync)
fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE);
crclen = sizeof(struct fileEntry);
} else {
- memcpy(bh->b_data + sizeof(struct extendedFileEntry),
- UDF_I_DATA(inode),
- inode->i_sb->s_blocksize -
- sizeof(struct extendedFileEntry));
+ memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode),
+ inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
efe->objectSize = cpu_to_le64(inode->i_size);
- efe->logicalBlocksRecorded = cpu_to_le64((inode->i_blocks +
- (1 <<
- (inode->i_sb->
- s_blocksize_bits -
- 9)) -
- 1) >> (inode->i_sb->
- s_blocksize_bits
- - 9));
+ efe->logicalBlocksRecorded = cpu_to_le64(
+ (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >>
+ (inode->i_sb->s_blocksize_bits - 9));
if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec ||
(UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec &&
@@ -1671,13 +1523,13 @@ static int udf_update_inode(struct inode *inode, int do_sync)
else if (S_ISSOCK(inode->i_mode))
fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET;
- icbflags = UDF_I_ALLOCTYPE(inode) |
- ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) |
- ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) |
- ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) |
- (le16_to_cpu(fe->icbTag.flags) &
- ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID |
- ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY));
+ icbflags = UDF_I_ALLOCTYPE(inode) |
+ ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) |
+ ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) |
+ ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) |
+ (le16_to_cpu(fe->icbTag.flags) &
+ ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID |
+ ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY));
fe->icbTag.flags = cpu_to_le16(icbflags);
if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
@@ -1685,18 +1537,16 @@ static int udf_update_inode(struct inode *inode, int do_sync)
else
fe->descTag.descVersion = cpu_to_le16(2);
fe->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
- fe->descTag.tagLocation =
- cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
+ fe->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag);
fe->descTag.descCRCLength = cpu_to_le16(crclen);
- fe->descTag.descCRC =
- cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0));
+ fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0));
fe->descTag.tagChecksum = 0;
- for (i = 0; i < 16; i++)
+ for (i = 0; i < 16; i++) {
if (i != 4)
- fe->descTag.tagChecksum +=
- ((uint8_t *) & (fe->descTag))[i];
+ fe->descTag.tagChecksum += ((uint8_t *)&(fe->descTag))[i];
+ }
/* write the data blocks */
mark_buffer_dirty(bh);
@@ -1709,6 +1559,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
}
}
brelse(bh);
+
return err;
}
@@ -1729,8 +1580,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
if (is_bad_inode(inode))
goto out_iput;
- if (ino.logicalBlockNum >=
- UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) {
+ if (ino.logicalBlockNum >= UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) {
udf_debug("block=%d, partition=%d out of range\n",
ino.logicalBlockNum, ino.partitionReferenceNum);
make_bad_inode(inode);
@@ -1739,7 +1589,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
return inode;
- out_iput:
+ out_iput:
iput(inode);
return NULL;
}
@@ -1755,9 +1605,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
uint8_t *ptr;
if (!epos->bh)
- ptr =
- UDF_I_DATA(inode) + epos->offset -
- udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
+ ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
else
ptr = epos->bh->b_data + epos->offset;
@@ -1774,18 +1622,13 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
int err, loffset;
kernel_lb_addr obloc = epos->block;
- if (!
- (epos->block.logicalBlockNum =
- udf_new_block(inode->i_sb, NULL,
- obloc.partitionReferenceNum,
- obloc.logicalBlockNum, &err))) {
+ if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL,
+ obloc.partitionReferenceNum,
+ obloc.logicalBlockNum, &err))) {
return -1;
}
- if (!
- (nbh =
- udf_tgetblk(inode->i_sb,
- udf_get_lb_pblock(inode->i_sb, epos->block,
- 0)))) {
+ if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
+ epos->block, 0)))) {
return -1;
}
lock_buffer(nbh);
@@ -1796,8 +1639,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
aed = (struct allocExtDesc *)(nbh->b_data);
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
- aed->previousAllocExtLocation =
- cpu_to_le32(obloc.logicalBlockNum);
+ aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum);
if (epos->offset + adsize > inode->i_sb->s_blocksize) {
loffset = epos->offset;
aed->lengthAllocDescs = cpu_to_le32(adsize);
@@ -1814,9 +1656,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
if (epos->bh) {
aed = (struct allocExtDesc *)epos->bh->b_data;
aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu
- (aed->lengthAllocDescs) +
- adsize);
+ cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
} else {
UDF_I_LENALLOC(inode) += adsize;
mark_inode_dirty(inode);
@@ -1830,37 +1670,30 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
epos->block.logicalBlockNum, sizeof(tag));
switch (UDF_I_ALLOCTYPE(inode)) {
case ICBTAG_FLAG_AD_SHORT:
- {
- sad = (short_ad *) sptr;
- sad->extLength =
- cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
- inode->i_sb->s_blocksize);
- sad->extPosition =
- cpu_to_le32(epos->block.logicalBlockNum);
- break;
- }
+ sad = (short_ad *)sptr;
+ sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
+ inode->i_sb->s_blocksize);
+ sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum);
+ break;
case ICBTAG_FLAG_AD_LONG:
- {
- lad = (long_ad *) sptr;
- lad->extLength =
- cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
- inode->i_sb->s_blocksize);
- lad->extLocation = cpu_to_lelb(epos->block);
- memset(lad->impUse, 0x00, sizeof(lad->impUse));
- break;
- }
+ lad = (long_ad *)sptr;
+ lad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
+ inode->i_sb->s_blocksize);
+ lad->extLocation = cpu_to_lelb(epos->block);
+ memset(lad->impUse, 0x00, sizeof(lad->impUse));
+ break;
}
if (epos->bh) {
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)
- || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
udf_update_tag(epos->bh->b_data, loffset);
else
- udf_update_tag(epos->bh->b_data,
- sizeof(struct allocExtDesc));
+ udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos->bh, inode);
brelse(epos->bh);
- } else
+ } else {
mark_inode_dirty(inode);
+ }
epos->bh = nbh;
}
@@ -1872,14 +1705,11 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
} else {
aed = (struct allocExtDesc *)epos->bh->b_data;
aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)
- || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
- udf_update_tag(epos->bh->b_data,
- epos->offset + (inc ? 0 : adsize));
+ cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize));
else
- udf_update_tag(epos->bh->b_data,
- sizeof(struct allocExtDesc));
+ udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos->bh, inode);
}
@@ -1891,51 +1721,47 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
{
int adsize;
uint8_t *ptr;
+ short_ad *sad;
+ long_ad *lad;
if (!epos->bh)
- ptr =
- UDF_I_DATA(inode) + epos->offset -
- udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
+ ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
else
ptr = epos->bh->b_data + epos->offset;
switch (UDF_I_ALLOCTYPE(inode)) {
case ICBTAG_FLAG_AD_SHORT:
- {
- short_ad *sad = (short_ad *) ptr;
- sad->extLength = cpu_to_le32(elen);
- sad->extPosition = cpu_to_le32(eloc.logicalBlockNum);
- adsize = sizeof(short_ad);
- break;
- }
+ sad = (short_ad *)ptr;
+ sad->extLength = cpu_to_le32(elen);
+ sad->extPosition = cpu_to_le32(eloc.logicalBlockNum);
+ adsize = sizeof(short_ad);
+ break;
case ICBTAG_FLAG_AD_LONG:
- {
- long_ad *lad = (long_ad *) ptr;
- lad->extLength = cpu_to_le32(elen);
- lad->extLocation = cpu_to_lelb(eloc);
- memset(lad->impUse, 0x00, sizeof(lad->impUse));
- adsize = sizeof(long_ad);
- break;
- }
+ lad = (long_ad *)ptr;
+ lad->extLength = cpu_to_le32(elen);
+ lad->extLocation = cpu_to_lelb(eloc);
+ memset(lad->impUse, 0x00, sizeof(lad->impUse));
+ adsize = sizeof(long_ad);
+ break;
default:
return -1;
}
if (epos->bh) {
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)
- || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) {
- struct allocExtDesc *aed =
- (struct allocExtDesc *)epos->bh->b_data;
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201) {
+ struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data;
udf_update_tag(epos->bh->b_data,
- le32_to_cpu(aed->lengthAllocDescs) +
- sizeof(struct allocExtDesc));
+ le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc));
}
mark_buffer_dirty_inode(epos->bh, inode);
- } else
+ } else {
mark_inode_dirty(inode);
+ }
if (inc)
epos->offset += adsize;
+
return (elen >> 30);
}
@@ -1949,14 +1775,9 @@ int8_t udf_next_aext(struct inode * inode, struct extent_position * epos,
epos->block = *eloc;
epos->offset = sizeof(struct allocExtDesc);
brelse(epos->bh);
- if (!
- (epos->bh =
- udf_tread(inode->i_sb,
- udf_get_lb_pblock(inode->i_sb, epos->block,
- 0)))) {
+ if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) {
udf_debug("reading block %d failed!\n",
- udf_get_lb_pblock(inode->i_sb, epos->block,
- 0));
+ udf_get_lb_pblock(inode->i_sb, epos->block, 0));
return -1;
}
}
@@ -1970,75 +1791,49 @@ int8_t udf_current_aext(struct inode * inode, struct extent_position * epos,
int alen;
int8_t etype;
uint8_t *ptr;
+ short_ad *sad;
+ long_ad *lad;
+
if (!epos->bh) {
if (!epos->offset)
epos->offset = udf_file_entry_alloc_offset(inode);
- ptr =
- UDF_I_DATA(inode) + epos->offset -
- udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
- alen =
- udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode);
+ ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
+ alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode);
} else {
if (!epos->offset)
epos->offset = sizeof(struct allocExtDesc);
ptr = epos->bh->b_data + epos->offset;
- alen =
- sizeof(struct allocExtDesc) +
- le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->
- lengthAllocDescs);
+ alen = sizeof(struct allocExtDesc) +
+ le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs);
}
switch (UDF_I_ALLOCTYPE(inode)) {
case ICBTAG_FLAG_AD_SHORT:
- {
- short_ad *sad;
-
- if (!
- (sad =
- udf_get_fileshortad(ptr, alen, &epos->offset,
- inc)))
- return -1;
-
- etype = le32_to_cpu(sad->extLength) >> 30;
- eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
- eloc->partitionReferenceNum =
- UDF_I_LOCATION(inode).partitionReferenceNum;
- *elen =
- le32_to_cpu(sad->
- extLength) & UDF_EXTENT_LENGTH_MASK;
- break;
- }
+ if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc)))
+ return -1;
+ etype = le32_to_cpu(sad->extLength) >> 30;
+ eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
+ eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
+ *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
+ break;
case ICBTAG_FLAG_AD_LONG:
- {
- long_ad *lad;
-
- if (!
- (lad =
- udf_get_filelongad(ptr, alen, &epos->offset, inc)))
- return -1;
-
- etype = le32_to_cpu(lad->extLength) >> 30;
- *eloc = lelb_to_cpu(lad->extLocation);
- *elen =
- le32_to_cpu(lad->
- extLength) & UDF_EXTENT_LENGTH_MASK;
- break;
- }
- default:
- {
- udf_debug("alloc_type = %d unsupported\n",
- UDF_I_ALLOCTYPE(inode));
+ if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc)))
return -1;
- }
+ etype = le32_to_cpu(lad->extLength) >> 30;
+ *eloc = lelb_to_cpu(lad->extLocation);
+ *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
+ break;
+ default:
+ udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode));
+ return -1;
}
return etype;
}
-static int8_t
-udf_insert_aext(struct inode *inode, struct extent_position epos,
- kernel_lb_addr neloc, uint32_t nelen)
+static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,
+ kernel_lb_addr neloc, uint32_t nelen)
{
kernel_lb_addr oeloc;
uint32_t oelen;
@@ -2049,12 +1844,12 @@ udf_insert_aext(struct inode *inode, struct extent_position epos,
while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {
udf_write_aext(inode, &epos, neloc, nelen, 1);
-
neloc = oeloc;
nelen = (etype << 30) | oelen;
}
udf_add_aext(inode, &epos, neloc, nelen, 1);
brelse(epos.bh);
+
return (nelen >> 30);
}
@@ -2105,15 +1900,12 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
- (2 * adsize));
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)
- || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
- udf_update_tag(oepos.bh->b_data,
- oepos.offset - (2 * adsize));
+ cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2 * adsize));
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ udf_update_tag(oepos.bh->b_data, oepos.offset - (2 * adsize));
else
- udf_update_tag(oepos.bh->b_data,
- sizeof(struct allocExtDesc));
+ udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(oepos.bh, inode);
}
} else {
@@ -2124,21 +1916,19 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
- adsize);
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)
- || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
- udf_update_tag(oepos.bh->b_data,
- epos.offset - adsize);
+ cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize);
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ udf_update_tag(oepos.bh->b_data, epos.offset - adsize);
else
- udf_update_tag(oepos.bh->b_data,
- sizeof(struct allocExtDesc));
+ udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(oepos.bh, inode);
}
}
brelse(epos.bh);
brelse(oepos.bh);
+
return (elen >> 30);
}
@@ -2162,8 +1952,7 @@ int8_t inode_bmap(struct inode * inode, sector_t block,
do {
if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) {
- *offset =
- (bcount - lbcount) >> inode->i_sb->s_blocksize_bits;
+ *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits;
UDF_I_LENEXTENTS(inode) = lbcount;
return -1;
}
@@ -2180,13 +1969,12 @@ long udf_block_map(struct inode *inode, sector_t block)
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, {0, 0} };
+ struct extent_position epos = {};
int ret;
lock_kernel();
- if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==
- (EXT_RECORDED_ALLOCATED >> 30))
+ if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
ret = udf_get_lb_pblock(inode->i_sb, eloc, offset);
else
ret = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 04:11:01 +0000