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-rw-r--r--fs/nilfs2/btnode.c4
-rw-r--r--fs/nilfs2/cpfile.c2
-rw-r--r--fs/nilfs2/inode.c1
-rw-r--r--fs/nilfs2/ioctl.c39
-rw-r--r--fs/nilfs2/segment.c17
5 files changed, 33 insertions, 30 deletions
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 5941958f1e4..84c25382f8e 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -87,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
brelse(bh);
BUG();
}
+ memset(bh->b_data, 0, 1 << inode->i_blkbits);
bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev;
bh->b_blocknr = blocknr;
set_buffer_mapped(bh);
@@ -276,8 +277,7 @@ void nilfs_btnode_commit_change_key(struct address_space *btnc,
"invalid oldkey %lld (newkey=%lld)",
(unsigned long long)oldkey,
(unsigned long long)newkey);
- if (!test_set_buffer_dirty(obh) && TestSetPageDirty(opage))
- BUG();
+ nilfs_btnode_mark_dirty(obh);
spin_lock_irq(&btnc->tree_lock);
radix_tree_delete(&btnc->page_tree, oldkey);
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index 1c6cfb59128..3f5d5d06f53 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -871,7 +871,6 @@ int nilfs_cpfile_change_cpmode(struct inode *cpfile, __u64 cno, int mode)
* exclusive with a new mount job. Though it doesn't cover
* umount, it's enough for the purpose.
*/
- mutex_lock(&nilfs->ns_mount_mutex);
if (nilfs_checkpoint_is_mounted(nilfs, cno, 1)) {
/* Current implementation does not have to protect
plain read-only mounts since they are exclusive
@@ -880,7 +879,6 @@ int nilfs_cpfile_change_cpmode(struct inode *cpfile, __u64 cno, int mode)
ret = -EBUSY;
} else
ret = nilfs_cpfile_clear_snapshot(cpfile, cno);
- mutex_unlock(&nilfs->ns_mount_mutex);
return ret;
case NILFS_SNAPSHOT:
return nilfs_cpfile_set_snapshot(cpfile, cno);
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 5040220c373..2a0a5a3ac13 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -664,7 +664,6 @@ int nilfs_load_inode_block(struct nilfs_sb_info *sbi, struct inode *inode,
int err;
spin_lock(&sbi->s_inode_lock);
- /* Caller of this function MUST lock s_inode_lock */
if (ii->i_bh == NULL) {
spin_unlock(&sbi->s_inode_lock);
err = nilfs_ifile_get_inode_block(sbi->s_ifile, inode->i_ino,
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 6572ea4bc4d..f6af76042d8 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -99,7 +99,8 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp,
unsigned int cmd, void __user *argp)
{
- struct inode *cpfile = NILFS_SB(inode->i_sb)->s_nilfs->ns_cpfile;
+ struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
+ struct inode *cpfile = nilfs->ns_cpfile;
struct nilfs_transaction_info ti;
struct nilfs_cpmode cpmode;
int ret;
@@ -109,14 +110,17 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp,
if (copy_from_user(&cpmode, argp, sizeof(cpmode)))
return -EFAULT;
+ mutex_lock(&nilfs->ns_mount_mutex);
nilfs_transaction_begin(inode->i_sb, &ti, 0);
ret = nilfs_cpfile_change_cpmode(
cpfile, cpmode.cm_cno, cpmode.cm_mode);
if (unlikely(ret < 0)) {
nilfs_transaction_abort(inode->i_sb);
+ mutex_unlock(&nilfs->ns_mount_mutex);
return ret;
}
nilfs_transaction_commit(inode->i_sb); /* never fails */
+ mutex_unlock(&nilfs->ns_mount_mutex);
return ret;
}
@@ -297,7 +301,18 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode,
(unsigned long long)vdesc->vd_vblocknr);
return ret;
}
- bh->b_private = vdesc;
+ if (unlikely(!list_empty(&bh->b_assoc_buffers))) {
+ printk(KERN_CRIT "%s: conflicting %s buffer: ino=%llu, "
+ "cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu\n",
+ __func__, vdesc->vd_flags ? "node" : "data",
+ (unsigned long long)vdesc->vd_ino,
+ (unsigned long long)vdesc->vd_cno,
+ (unsigned long long)vdesc->vd_offset,
+ (unsigned long long)vdesc->vd_blocknr,
+ (unsigned long long)vdesc->vd_vblocknr);
+ brelse(bh);
+ return -EEXIST;
+ }
list_add_tail(&bh->b_assoc_buffers, buffers);
return 0;
}
@@ -335,24 +350,10 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) {
ret = nilfs_gccache_wait_and_mark_dirty(bh);
if (unlikely(ret < 0)) {
- if (ret == -EEXIST) {
- vdesc = bh->b_private;
- printk(KERN_CRIT
- "%s: conflicting %s buffer: "
- "ino=%llu, cno=%llu, offset=%llu, "
- "blocknr=%llu, vblocknr=%llu\n",
- __func__,
- vdesc->vd_flags ? "node" : "data",
- (unsigned long long)vdesc->vd_ino,
- (unsigned long long)vdesc->vd_cno,
- (unsigned long long)vdesc->vd_offset,
- (unsigned long long)vdesc->vd_blocknr,
- (unsigned long long)vdesc->vd_vblocknr);
- }
+ WARN_ON(ret == -EEXIST);
goto failed;
}
list_del_init(&bh->b_assoc_buffers);
- bh->b_private = NULL;
brelse(bh);
}
return nmembs;
@@ -360,7 +361,6 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
failed:
list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) {
list_del_init(&bh->b_assoc_buffers);
- bh->b_private = NULL;
brelse(bh);
}
return ret;
@@ -471,7 +471,6 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs,
return 0;
failed:
- nilfs_remove_all_gcinode(nilfs);
printk(KERN_ERR "NILFS: GC failed during preparation: %s: err=%d\n",
msg, ret);
return ret;
@@ -560,6 +559,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
else
ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
+ if (ret < 0)
+ nilfs_remove_all_gcinode(nilfs);
clear_nilfs_gc_running(nilfs);
out_free:
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 683df89dbae..6eff66a070d 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2468,17 +2468,22 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci,
/* Clear requests (even when the construction failed) */
spin_lock(&sci->sc_state_lock);
- sci->sc_state &= ~NILFS_SEGCTOR_COMMIT;
-
if (req->mode == SC_LSEG_SR) {
+ sci->sc_state &= ~NILFS_SEGCTOR_COMMIT;
sci->sc_seq_done = req->seq_accepted;
nilfs_segctor_wakeup(sci, req->sc_err ? : req->sb_err);
sci->sc_flush_request = 0;
- } else if (req->mode == SC_FLUSH_FILE)
- sci->sc_flush_request &= ~FLUSH_FILE_BIT;
- else if (req->mode == SC_FLUSH_DAT)
- sci->sc_flush_request &= ~FLUSH_DAT_BIT;
+ } else {
+ if (req->mode == SC_FLUSH_FILE)
+ sci->sc_flush_request &= ~FLUSH_FILE_BIT;
+ else if (req->mode == SC_FLUSH_DAT)
+ sci->sc_flush_request &= ~FLUSH_DAT_BIT;
+ /* re-enable timer if checkpoint creation was not done */
+ if (sci->sc_timer && (sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
+ time_before(jiffies, sci->sc_timer->expires))
+ add_timer(sci->sc_timer);
+ }
spin_unlock(&sci->sc_state_lock);
}