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authorIngo Molnar <mingo@elte.hu>2011-04-14 08:50:37 +0200
committerIngo Molnar <mingo@elte.hu>2011-04-14 08:51:07 +0200
commita4c98f8bbeafee12c979c90743f6fda94f7515c7 (patch)
tree3dda24b8a2ec42ab7b42845cb68c8b6e1b0d501f /fs/ext4/fsync.c
parentf4ad9bd208c98f32a6f9136618e0b8bebe3fb370 (diff)
parent85f2e689a5c8fb6ed8fdbee00109e7f6e5fefcb6 (diff)
Merge branch 'linus' into sched/locking
Merge reason: Pick up this upstream commit: 6631e635c65d: block: don't flush plugged IO on forced preemtion scheduling As it modifies the scheduler and we'll queue up dependent patches. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/ext4/fsync.c')
-rw-r--r--fs/ext4/fsync.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 4673bc05274..e9473cbe80d 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -125,9 +125,11 @@ extern int ext4_flush_completed_IO(struct inode *inode)
* the parent directory's parent as well, and so on recursively, if
* they are also freshly created.
*/
-static void ext4_sync_parent(struct inode *inode)
+static int ext4_sync_parent(struct inode *inode)
{
+ struct writeback_control wbc;
struct dentry *dentry = NULL;
+ int ret = 0;
while (inode && ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) {
ext4_clear_inode_state(inode, EXT4_STATE_NEWENTRY);
@@ -136,8 +138,17 @@ static void ext4_sync_parent(struct inode *inode)
if (!dentry || !dentry->d_parent || !dentry->d_parent->d_inode)
break;
inode = dentry->d_parent->d_inode;
- sync_mapping_buffers(inode->i_mapping);
+ ret = sync_mapping_buffers(inode->i_mapping);
+ if (ret)
+ break;
+ memset(&wbc, 0, sizeof(wbc));
+ wbc.sync_mode = WB_SYNC_ALL;
+ wbc.nr_to_write = 0; /* only write out the inode */
+ ret = sync_inode(inode, &wbc);
+ if (ret)
+ break;
}
+ return ret;
}
/*
@@ -176,7 +187,7 @@ int ext4_sync_file(struct file *file, int datasync)
if (!journal) {
ret = generic_file_fsync(file, datasync);
if (!ret && !list_empty(&inode->i_dentry))
- ext4_sync_parent(inode);
+ ret = ext4_sync_parent(inode);
goto out;
}