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Diffstat (limited to 'fs/ocfs2/namei.c')
-rw-r--r--fs/ocfs2/namei.c250
1 files changed, 133 insertions, 117 deletions
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 4b11762f249..2220f93f668 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -80,14 +80,14 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
struct inode **ret_orphan_dir,
struct inode *inode,
char *name,
- struct buffer_head **de_bh);
+ struct ocfs2_dir_lookup_result *lookup);
static int ocfs2_orphan_add(struct ocfs2_super *osb,
handle_t *handle,
struct inode *inode,
struct ocfs2_dinode *fe,
char *name,
- struct buffer_head *de_bh,
+ struct ocfs2_dir_lookup_result *lookup,
struct inode *orphan_dir_inode);
static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
@@ -228,17 +228,18 @@ static int ocfs2_mknod(struct inode *dir,
struct ocfs2_super *osb;
struct ocfs2_dinode *dirfe;
struct buffer_head *new_fe_bh = NULL;
- struct buffer_head *de_bh = NULL;
struct inode *inode = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
struct ocfs2_alloc_context *data_ac = NULL;
- struct ocfs2_alloc_context *xattr_ac = NULL;
+ struct ocfs2_alloc_context *meta_ac = NULL;
int want_clusters = 0;
+ int want_meta = 0;
int xattr_credits = 0;
struct ocfs2_security_xattr_info si = {
.enable = 1,
};
int did_quota_inode = 0;
+ struct ocfs2_dir_lookup_result lookup = { NULL, };
mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
(unsigned long)dev, dentry->d_name.len,
@@ -254,13 +255,13 @@ static int ocfs2_mknod(struct inode *dir,
return status;
}
- if (S_ISDIR(mode) && (dir->i_nlink >= OCFS2_LINK_MAX)) {
+ if (S_ISDIR(mode) && (dir->i_nlink >= ocfs2_link_max(osb))) {
status = -EMLINK;
goto leave;
}
dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data;
- if (!dirfe->i_links_count) {
+ if (!ocfs2_read_links_count(dirfe)) {
/* can't make a file in a deleted directory. */
status = -ENOENT;
goto leave;
@@ -274,7 +275,7 @@ static int ocfs2_mknod(struct inode *dir,
/* get a spot inside the dir. */
status = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh,
dentry->d_name.name,
- dentry->d_name.len, &de_bh);
+ dentry->d_name.len, &lookup);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -308,17 +309,29 @@ static int ocfs2_mknod(struct inode *dir,
/* calculate meta data/clusters for setting security and acl xattr */
status = ocfs2_calc_xattr_init(dir, parent_fe_bh, mode,
- &si, &want_clusters,
- &xattr_credits, &xattr_ac);
+ &si, &want_clusters,
+ &xattr_credits, &want_meta);
if (status < 0) {
mlog_errno(status);
goto leave;
}
/* Reserve a cluster if creating an extent based directory. */
- if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb))
+ if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) {
want_clusters += 1;
+ /* Dir indexing requires extra space as well */
+ if (ocfs2_supports_indexed_dirs(osb))
+ want_meta++;
+ }
+
+ status = ocfs2_reserve_new_metadata_blocks(osb, want_meta, &meta_ac);
+ if (status < 0) {
+ if (status != -ENOSPC)
+ mlog_errno(status);
+ goto leave;
+ }
+
status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac);
if (status < 0) {
if (status != -ENOSPC)
@@ -326,8 +339,9 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
}
- handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb) +
- xattr_credits);
+ handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb,
+ S_ISDIR(mode),
+ xattr_credits));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@@ -355,7 +369,7 @@ static int ocfs2_mknod(struct inode *dir,
if (S_ISDIR(mode)) {
status = ocfs2_fill_new_dir(osb, handle, dir, inode,
- new_fe_bh, data_ac);
+ new_fe_bh, data_ac, meta_ac);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -367,7 +381,7 @@ static int ocfs2_mknod(struct inode *dir,
mlog_errno(status);
goto leave;
}
- le16_add_cpu(&dirfe->i_links_count, 1);
+ ocfs2_add_links_count(dirfe, 1);
status = ocfs2_journal_dirty(handle, parent_fe_bh);
if (status < 0) {
mlog_errno(status);
@@ -377,7 +391,7 @@ static int ocfs2_mknod(struct inode *dir,
}
status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh,
- xattr_ac, data_ac);
+ meta_ac, data_ac);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -385,7 +399,7 @@ static int ocfs2_mknod(struct inode *dir,
if (si.enable) {
status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,
- xattr_ac, data_ac);
+ meta_ac, data_ac);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -394,7 +408,7 @@ static int ocfs2_mknod(struct inode *dir,
status = ocfs2_add_entry(handle, dentry, inode,
OCFS2_I(inode)->ip_blkno, parent_fe_bh,
- de_bh);
+ &lookup);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -423,11 +437,12 @@ leave:
mlog(0, "Disk is full\n");
brelse(new_fe_bh);
- brelse(de_bh);
brelse(parent_fe_bh);
kfree(si.name);
kfree(si.value);
+ ocfs2_free_dir_lookup_result(&lookup);
+
if ((status < 0) && inode) {
clear_nlink(inode);
iput(inode);
@@ -439,8 +454,8 @@ leave:
if (data_ac)
ocfs2_free_alloc_context(data_ac);
- if (xattr_ac)
- ocfs2_free_alloc_context(xattr_ac);
+ if (meta_ac)
+ ocfs2_free_alloc_context(meta_ac);
mlog_exit(status);
@@ -462,6 +477,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
struct ocfs2_extent_list *fel;
u64 fe_blkno = 0;
u16 suballoc_bit;
+ u16 feat;
mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry,
inode->i_mode, (unsigned long)dev, dentry->d_name.len,
@@ -469,8 +485,8 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
*new_fe_bh = NULL;
- status = ocfs2_claim_new_inode(osb, handle, inode_ac, &suballoc_bit,
- &fe_blkno);
+ status = ocfs2_claim_new_inode(osb, handle, dir, parent_fe_bh,
+ inode_ac, &suballoc_bit, &fe_blkno);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -513,7 +529,8 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
fe->i_mode = cpu_to_le16(inode->i_mode);
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
- fe->i_links_count = cpu_to_le16(inode->i_nlink);
+
+ ocfs2_set_links_count(fe, inode->i_nlink);
fe->i_last_eb_blk = 0;
strcpy(fe->i_signature, OCFS2_INODE_SIGNATURE);
@@ -525,11 +542,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
fe->i_dtime = 0;
/*
- * If supported, directories start with inline data.
+ * If supported, directories start with inline data. If inline
+ * isn't supported, but indexing is, we start them as indexed.
*/
+ feat = le16_to_cpu(fe->i_dyn_features);
if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {
- u16 feat = le16_to_cpu(fe->i_dyn_features);
-
fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL);
fe->id2.i_data.id_count = cpu_to_le16(
@@ -608,9 +625,9 @@ static int ocfs2_link(struct dentry *old_dentry,
int err;
struct buffer_head *fe_bh = NULL;
struct buffer_head *parent_fe_bh = NULL;
- struct buffer_head *de_bh = NULL;
struct ocfs2_dinode *fe = NULL;
struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
+ struct ocfs2_dir_lookup_result lookup = { NULL, };
mlog_entry("(inode=%lu, old='%.*s' new='%.*s')\n", inode->i_ino,
old_dentry->d_name.len, old_dentry->d_name.name,
@@ -638,7 +655,7 @@ static int ocfs2_link(struct dentry *old_dentry,
err = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh,
dentry->d_name.name,
- dentry->d_name.len, &de_bh);
+ dentry->d_name.len, &lookup);
if (err < 0) {
mlog_errno(err);
goto out;
@@ -652,7 +669,7 @@ static int ocfs2_link(struct dentry *old_dentry,
}
fe = (struct ocfs2_dinode *) fe_bh->b_data;
- if (le16_to_cpu(fe->i_links_count) >= OCFS2_LINK_MAX) {
+ if (ocfs2_read_links_count(fe) >= ocfs2_link_max(osb)) {
err = -EMLINK;
goto out_unlock_inode;
}
@@ -674,13 +691,13 @@ static int ocfs2_link(struct dentry *old_dentry,
inc_nlink(inode);
inode->i_ctime = CURRENT_TIME;
- fe->i_links_count = cpu_to_le16(inode->i_nlink);
+ ocfs2_set_links_count(fe, inode->i_nlink);
fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
err = ocfs2_journal_dirty(handle, fe_bh);
if (err < 0) {
- le16_add_cpu(&fe->i_links_count, -1);
+ ocfs2_add_links_count(fe, -1);
drop_nlink(inode);
mlog_errno(err);
goto out_commit;
@@ -688,9 +705,9 @@ static int ocfs2_link(struct dentry *old_dentry,
err = ocfs2_add_entry(handle, dentry, inode,
OCFS2_I(inode)->ip_blkno,
- parent_fe_bh, de_bh);
+ parent_fe_bh, &lookup);
if (err) {
- le16_add_cpu(&fe->i_links_count, -1);
+ ocfs2_add_links_count(fe, -1);
drop_nlink(inode);
mlog_errno(err);
goto out_commit;
@@ -714,10 +731,11 @@ out_unlock_inode:
out:
ocfs2_inode_unlock(dir, 1);
- brelse(de_bh);
brelse(fe_bh);
brelse(parent_fe_bh);
+ ocfs2_free_dir_lookup_result(&lookup);
+
mlog_exit(err);
return err;
@@ -766,10 +784,9 @@ static int ocfs2_unlink(struct inode *dir,
struct buffer_head *fe_bh = NULL;
struct buffer_head *parent_node_bh = NULL;
handle_t *handle = NULL;
- struct ocfs2_dir_entry *dirent = NULL;
- struct buffer_head *dirent_bh = NULL;
char orphan_name[OCFS2_ORPHAN_NAMELEN + 1];
- struct buffer_head *orphan_entry_bh = NULL;
+ struct ocfs2_dir_lookup_result lookup = { NULL, };
+ struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
mlog_entry("(0x%p, 0x%p, '%.*s')\n", dir, dentry,
dentry->d_name.len, dentry->d_name.name);
@@ -791,8 +808,8 @@ static int ocfs2_unlink(struct inode *dir,
}
status = ocfs2_find_files_on_disk(dentry->d_name.name,
- dentry->d_name.len, &blkno,
- dir, &dirent_bh, &dirent);
+ dentry->d_name.len, &blkno, dir,
+ &lookup);
if (status < 0) {
if (status != -ENOENT)
mlog_errno(status);
@@ -817,10 +834,7 @@ static int ocfs2_unlink(struct inode *dir,
child_locked = 1;
if (S_ISDIR(inode->i_mode)) {
- if (!ocfs2_empty_dir(inode)) {
- status = -ENOTEMPTY;
- goto leave;
- } else if (inode->i_nlink != 2) {
+ if (inode->i_nlink != 2 || !ocfs2_empty_dir(inode)) {
status = -ENOTEMPTY;
goto leave;
}
@@ -836,8 +850,7 @@ static int ocfs2_unlink(struct inode *dir,
if (inode_is_unlinkable(inode)) {
status = ocfs2_prepare_orphan_dir(osb, &orphan_dir, inode,
- orphan_name,
- &orphan_entry_bh);
+ orphan_name, &orphan_insert);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -863,7 +876,7 @@ static int ocfs2_unlink(struct inode *dir,
if (inode_is_unlinkable(inode)) {
status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name,
- orphan_entry_bh, orphan_dir);
+ &orphan_insert, orphan_dir);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -871,7 +884,7 @@ static int ocfs2_unlink(struct inode *dir,
}
/* delete the name from the parent dir */
- status = ocfs2_delete_entry(handle, dir, dirent, dirent_bh);
+ status = ocfs2_delete_entry(handle, dir, &lookup);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -880,7 +893,7 @@ static int ocfs2_unlink(struct inode *dir,
if (S_ISDIR(inode->i_mode))
drop_nlink(inode);
drop_nlink(inode);
- fe->i_links_count = cpu_to_le16(inode->i_nlink);
+ ocfs2_set_links_count(fe, inode->i_nlink);
status = ocfs2_journal_dirty(handle, fe_bh);
if (status < 0) {
@@ -916,9 +929,10 @@ leave:
}
brelse(fe_bh);
- brelse(dirent_bh);
brelse(parent_node_bh);
- brelse(orphan_entry_bh);
+
+ ocfs2_free_dir_lookup_result(&orphan_insert);
+ ocfs2_free_dir_lookup_result(&lookup);
mlog_exit(status);
@@ -1004,8 +1018,8 @@ static int ocfs2_rename(struct inode *old_dir,
struct inode *new_dir,
struct dentry *new_dentry)
{
- int status = 0, rename_lock = 0, parents_locked = 0;
- int old_child_locked = 0, new_child_locked = 0;
+ int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0;
+ int old_child_locked = 0, new_child_locked = 0, update_dot_dot = 0;
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
struct inode *orphan_dir = NULL;
@@ -1020,13 +1034,13 @@ static int ocfs2_rename(struct inode *old_dir,
handle_t *handle = NULL;
struct buffer_head *old_dir_bh = NULL;
struct buffer_head *new_dir_bh = NULL;
- struct ocfs2_dir_entry *old_inode_dot_dot_de = NULL, *old_de = NULL,
- *new_de = NULL;
- struct buffer_head *new_de_bh = NULL, *old_de_bh = NULL; // bhs for above
- struct buffer_head *old_inode_de_bh = NULL; // if old_dentry is a dir,
- // this is the 1st dirent bh
nlink_t old_dir_nlink = old_dir->i_nlink;
struct ocfs2_dinode *old_di;
+ struct ocfs2_dir_lookup_result old_inode_dot_dot_res = { NULL, };
+ struct ocfs2_dir_lookup_result target_lookup_res = { NULL, };
+ struct ocfs2_dir_lookup_result old_entry_lookup = { NULL, };
+ struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
+ struct ocfs2_dir_lookup_result target_insert = { NULL, };
/* At some point it might be nice to break this function up a
* bit. */
@@ -1108,9 +1122,10 @@ static int ocfs2_rename(struct inode *old_dir,
if (S_ISDIR(old_inode->i_mode)) {
u64 old_inode_parent;
+ update_dot_dot = 1;
status = ocfs2_find_files_on_disk("..", 2, &old_inode_parent,
- old_inode, &old_inode_de_bh,
- &old_inode_dot_dot_de);
+ old_inode,
+ &old_inode_dot_dot_res);
if (status) {
status = -EIO;
goto bail;
@@ -1122,7 +1137,7 @@ static int ocfs2_rename(struct inode *old_dir,
}
if (!new_inode && new_dir != old_dir &&
- new_dir->i_nlink >= OCFS2_LINK_MAX) {
+ new_dir->i_nlink >= ocfs2_link_max(osb)) {
status = -EMLINK;
goto bail;
}
@@ -1151,8 +1166,8 @@ static int ocfs2_rename(struct inode *old_dir,
* to delete it */
status = ocfs2_find_files_on_disk(new_dentry->d_name.name,
new_dentry->d_name.len,
- &newfe_blkno, new_dir, &new_de_bh,
- &new_de);
+ &newfe_blkno, new_dir,
+ &target_lookup_res);
/* The only error we allow here is -ENOENT because the new
* file not existing is perfectly valid. */
if ((status < 0) && (status != -ENOENT)) {
@@ -1161,8 +1176,10 @@ static int ocfs2_rename(struct inode *old_dir,
mlog_errno(status);
goto bail;
}
+ if (status == 0)
+ target_exists = 1;
- if (!new_de && new_inode) {
+ if (!target_exists && new_inode) {
/*
* Target was unlinked by another node while we were
* waiting to get to ocfs2_rename(). There isn't
@@ -1175,7 +1192,7 @@ static int ocfs2_rename(struct inode *old_dir,
/* In case we need to overwrite an existing file, we blow it
* away first */
- if (new_de) {
+ if (target_exists) {
/* VFS didn't think there existed an inode here, but
* someone else in the cluster must have raced our
* rename to create one. Today we error cleanly, in
@@ -1216,8 +1233,8 @@ static int ocfs2_rename(struct inode *old_dir,
newfe = (struct ocfs2_dinode *) newfe_bh->b_data;
- mlog(0, "aha rename over existing... new_de=%p new_blkno=%llu "
- "newfebh=%p bhblocknr=%llu\n", new_de,
+ mlog(0, "aha rename over existing... new_blkno=%llu "
+ "newfebh=%p bhblocknr=%llu\n",
(unsigned long long)newfe_blkno, newfe_bh, newfe_bh ?
(unsigned long long)newfe_bh->b_blocknr : 0ULL);
@@ -1225,7 +1242,7 @@ static int ocfs2_rename(struct inode *old_dir,
status = ocfs2_prepare_orphan_dir(osb, &orphan_dir,
new_inode,
orphan_name,
- &orphan_entry_bh);
+ &orphan_insert);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1243,7 +1260,7 @@ static int ocfs2_rename(struct inode *old_dir,
status = ocfs2_prepare_dir_for_insert(osb, new_dir, new_dir_bh,
new_dentry->d_name.name,
new_dentry->d_name.len,
- &insert_entry_bh);
+ &target_insert);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1258,10 +1275,10 @@ static int ocfs2_rename(struct inode *old_dir,
goto bail;
}
- if (new_de) {
+ if (target_exists) {
if (S_ISDIR(new_inode->i_mode)) {
- if (!ocfs2_empty_dir(new_inode) ||
- new_inode->i_nlink != 2) {
+ if (new_inode->i_nlink != 2 ||
+ !ocfs2_empty_dir(new_inode)) {
status = -ENOTEMPTY;
goto bail;
}
@@ -1274,10 +1291,10 @@ static int ocfs2_rename(struct inode *old_dir,
}
if (S_ISDIR(new_inode->i_mode) ||
- (newfe->i_links_count == cpu_to_le16(1))){
+ (ocfs2_read_links_count(newfe) == 1)) {
status = ocfs2_orphan_add(osb, handle, new_inode,
newfe, orphan_name,
- orphan_entry_bh, orphan_dir);
+ &orphan_insert, orphan_dir);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1285,8 +1302,8 @@ static int ocfs2_rename(struct inode *old_dir,
}
/* change the dirent to point to the correct inode */
- status = ocfs2_update_entry(new_dir, handle, new_de_bh,
- new_de, old_inode);
+ status = ocfs2_update_entry(new_dir, handle, &target_lookup_res,
+ old_inode);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1294,9 +1311,9 @@ static int ocfs2_rename(struct inode *old_dir,
new_dir->i_version++;
if (S_ISDIR(new_inode->i_mode))
- newfe->i_links_count = 0;
+ ocfs2_set_links_count(newfe, 0);
else
- le16_add_cpu(&newfe->i_links_count, -1);
+ ocfs2_add_links_count(newfe, -1);
status = ocfs2_journal_dirty(handle, newfe_bh);
if (status < 0) {
@@ -1307,7 +1324,7 @@ static int ocfs2_rename(struct inode *old_dir,
/* if the name was not found in new_dir, add it now */
status = ocfs2_add_entry(handle, new_dentry, old_inode,
OCFS2_I(old_inode)->ip_blkno,
- new_dir_bh, insert_entry_bh);
+ new_dir_bh, &target_insert);
}
old_inode->i_ctime = CURRENT_TIME;
@@ -1334,15 +1351,13 @@ static int ocfs2_rename(struct inode *old_dir,
* because the insert might have changed the type of directory
* we're dealing with.
*/
- old_de_bh = ocfs2_find_entry(old_dentry->d_name.name,
- old_dentry->d_name.len,
- old_dir, &old_de);
- if (!old_de_bh) {
- status = -EIO;
+ status = ocfs2_find_entry(old_dentry->d_name.name,
+ old_dentry->d_name.len, old_dir,
+ &old_entry_lookup);
+ if (status)
goto bail;
- }
- status = ocfs2_delete_entry(handle, old_dir, old_de, old_de_bh);
+ status = ocfs2_delete_entry(handle, old_dir, &old_entry_lookup);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1353,9 +1368,10 @@ static int ocfs2_rename(struct inode *old_dir,
new_inode->i_ctime = CURRENT_TIME;
}
old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME;
- if (old_inode_de_bh) {
- status = ocfs2_update_entry(old_inode, handle, old_inode_de_bh,
- old_inode_dot_dot_de, new_dir);
+
+ if (update_dot_dot) {
+ status = ocfs2_update_entry(old_inode, handle,
+ &old_inode_dot_dot_res, new_dir);
old_dir->i_nlink--;
if (new_inode) {
new_inode->i_nlink--;
@@ -1391,14 +1407,13 @@ static int ocfs2_rename(struct inode *old_dir,
} else {
struct ocfs2_dinode *fe;
status = ocfs2_journal_access_di(handle, old_dir,
- old_dir_bh,
- OCFS2_JOURNAL_ACCESS_WRITE);
+ old_dir_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
fe = (struct ocfs2_dinode *) old_dir_bh->b_data;
- fe->i_links_count = cpu_to_le16(old_dir->i_nlink);
+ ocfs2_set_links_count(fe, old_dir->i_nlink);
status = ocfs2_journal_dirty(handle, old_dir_bh);
}
}
-
ocfs2_dentry_move(old_dentry, new_dentry, old_dir, new_dir);
status = 0;
bail:
@@ -1429,13 +1444,17 @@ bail:
if (new_inode)
iput(new_inode);
+
+ ocfs2_free_dir_lookup_result(&target_lookup_res);
+ ocfs2_free_dir_lookup_result(&old_entry_lookup);
+ ocfs2_free_dir_lookup_result(&old_inode_dot_dot_res);
+ ocfs2_free_dir_lookup_result(&orphan_insert);
+ ocfs2_free_dir_lookup_result(&target_insert);
+
brelse(newfe_bh);
brelse(old_inode_bh);
brelse(old_dir_bh);
brelse(new_dir_bh);
- brelse(new_de_bh);
- brelse(old_de_bh);
- brelse(old_inode_de_bh);
brelse(orphan_entry_bh);
brelse(insert_entry_bh);
@@ -1558,7 +1577,6 @@ static int ocfs2_symlink(struct inode *dir,
struct inode *inode = NULL;
struct super_block *sb;
struct buffer_head *new_fe_bh = NULL;
- struct buffer_head *de_bh = NULL;
struct buffer_head *parent_fe_bh = NULL;
struct ocfs2_dinode *fe = NULL;
struct ocfs2_dinode *dirfe;
@@ -1572,6 +1590,7 @@ static int ocfs2_symlink(struct inode *dir,
.enable = 1,
};
int did_quota = 0, did_quota_inode = 0;
+ struct ocfs2_dir_lookup_result lookup = { NULL, };
mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
dentry, symname, dentry->d_name.len, dentry->d_name.name);
@@ -1592,7 +1611,7 @@ static int ocfs2_symlink(struct inode *dir,
}
dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data;
- if (!dirfe->i_links_count) {
+ if (!ocfs2_read_links_count(dirfe)) {
/* can't make a file in a deleted directory. */
status = -ENOENT;
goto bail;
@@ -1605,7 +1624,7 @@ static int ocfs2_symlink(struct inode *dir,
status = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh,
dentry->d_name.name,
- dentry->d_name.len, &de_bh);
+ dentry->d_name.len, &lookup);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1744,7 +1763,7 @@ static int ocfs2_symlink(struct inode *dir,
status = ocfs2_add_entry(handle, dentry, inode,
le64_to_cpu(fe->i_blkno), parent_fe_bh,
- de_bh);
+ &lookup);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1772,9 +1791,9 @@ bail:
brelse(new_fe_bh);
brelse(parent_fe_bh);
- brelse(de_bh);
kfree(si.name);
kfree(si.value);
+ ocfs2_free_dir_lookup_result(&lookup);
if (inode_ac)
ocfs2_free_alloc_context(inode_ac);
if (data_ac)
@@ -1826,7 +1845,7 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
struct inode **ret_orphan_dir,
struct inode *inode,
char *name,
- struct buffer_head **de_bh)
+ struct ocfs2_dir_lookup_result *lookup)
{
struct inode *orphan_dir_inode;
struct buffer_head *orphan_dir_bh = NULL;
@@ -1857,7 +1876,7 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
status = ocfs2_prepare_dir_for_insert(osb, orphan_dir_inode,
orphan_dir_bh, name,
- OCFS2_ORPHAN_NAMELEN, de_bh);
+ OCFS2_ORPHAN_NAMELEN, lookup);
if (status < 0) {
ocfs2_inode_unlock(orphan_dir_inode, 1);
@@ -1884,7 +1903,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
struct inode *inode,
struct ocfs2_dinode *fe,
char *name,
- struct buffer_head *de_bh,
+ struct ocfs2_dir_lookup_result *lookup,
struct inode *orphan_dir_inode)
{
struct buffer_head *orphan_dir_bh = NULL;
@@ -1910,8 +1929,8 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
* underneath us... */
orphan_fe = (struct ocfs2_dinode *) orphan_dir_bh->b_data;
if (S_ISDIR(inode->i_mode))
- le16_add_cpu(&orphan_fe->i_links_count, 1);
- orphan_dir_inode->i_nlink = le16_to_cpu(orphan_fe->i_links_count);
+ ocfs2_add_links_count(orphan_fe, 1);
+ orphan_dir_inode->i_nlink = ocfs2_read_links_count(orphan_fe);
status = ocfs2_journal_dirty(handle, orphan_dir_bh);
if (status < 0) {
@@ -1922,7 +1941,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
status = __ocfs2_add_entry(handle, orphan_dir_inode, name,
OCFS2_ORPHAN_NAMELEN, inode,
OCFS2_I(inode)->ip_blkno,
- orphan_dir_bh, de_bh);
+ orphan_dir_bh, lookup);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -1955,8 +1974,7 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
char name[OCFS2_ORPHAN_NAMELEN + 1];
struct ocfs2_dinode *orphan_fe;
int status = 0;
- struct buffer_head *target_de_bh = NULL;
- struct ocfs2_dir_entry *target_de = NULL;
+ struct ocfs2_dir_lookup_result lookup = { NULL, };
mlog_entry_void();
@@ -1971,17 +1989,15 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
OCFS2_ORPHAN_NAMELEN);
/* find it's spot in the orphan directory */
- target_de_bh = ocfs2_find_entry(name, OCFS2_ORPHAN_NAMELEN,
- orphan_dir_inode, &target_de);
- if (!target_de_bh) {
- status = -ENOENT;
+ status = ocfs2_find_entry(name, OCFS2_ORPHAN_NAMELEN, orphan_dir_inode,
+ &lookup);
+ if (status) {
mlog_errno(status);
goto leave;
}
/* remove it from the orphan directory */
- status = ocfs2_delete_entry(handle, orphan_dir_inode, target_de,
- target_de_bh);
+ status = ocfs2_delete_entry(handle, orphan_dir_inode, &lookup);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -1997,8 +2013,8 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
/* do the i_nlink dance! :) */
orphan_fe = (struct ocfs2_dinode *) orphan_dir_bh->b_data;
if (S_ISDIR(inode->i_mode))
- le16_add_cpu(&orphan_fe->i_links_count, -1);
- orphan_dir_inode->i_nlink = le16_to_cpu(orphan_fe->i_links_count);
+ ocfs2_add_links_count(orphan_fe, -1);
+ orphan_dir_inode->i_nlink = ocfs2_read_links_count(orphan_fe);
status = ocfs2_journal_dirty(handle, orphan_dir_bh);
if (status < 0) {
@@ -2007,7 +2023,7 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
}
leave:
- brelse(target_de_bh);
+ ocfs2_free_dir_lookup_result(&lookup);
mlog_exit(status);
return status;