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ocfs2: don't eat io errors during _dio_end_io_write 

ocfs2_dio_end_io_write eats whatever errors may happen,
which means that write errors do not propagate to userspace.
Fix that.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Darrick J. Wong 2016-11-09 14:42:49 -08:00
parent 3e10b793fc
commit 085549553d
1 changed files with 9 additions and 6 deletions
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15
fs/ocfs2/aops.c
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@ -2263,10 +2263,10 @@ out:
return ret;
}
static void ocfs2_dio_end_io_write(struct inode *inode,
struct ocfs2_dio_write_ctxt *dwc,
loff_t offset,
ssize_t bytes)
static int ocfs2_dio_end_io_write(struct inode *inode,
struct ocfs2_dio_write_ctxt *dwc,
loff_t offset,
ssize_t bytes)
{
struct ocfs2_cached_dealloc_ctxt dealloc;
struct ocfs2_extent_tree et;
@ -2374,6 +2374,8 @@ out:
if (locked)
inode_unlock(inode);
ocfs2_dio_free_write_ctx(inode, dwc);
return ret;
}
/*
@ -2388,6 +2390,7 @@ static int ocfs2_dio_end_io(struct kiocb *iocb,
{
struct inode *inode = file_inode(iocb->ki_filp);
int level;
int ret = 0;
if (bytes <= 0)
return 0;
@ -2396,13 +2399,13 @@ static int ocfs2_dio_end_io(struct kiocb *iocb,
BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
if (private)
ocfs2_dio_end_io_write(inode, private, offset, bytes);
ret = ocfs2_dio_end_io_write(inode, private, offset, bytes);
ocfs2_iocb_clear_rw_locked(iocb);
level = ocfs2_iocb_rw_locked_level(iocb);
ocfs2_rw_unlock(inode, level);
return 0;
return ret;
}
static ssize_t ocfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter)