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Subject[PATCH XFS] Fix error return for fallocate() on XFS
Noticed that through glibc fallocate would return 28 rather than -1
and errno = 28 for ENOSPC. The xfs routines uses XFS_ERROR format
positive return error codes while the syscalls use negative return codes.
Fixup the two cases in xfs_vn_fallocate syscall to convert to negative.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
---
fs/xfs/linux-2.6/xfs_iops.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index cd42ef7..1f3b4b8 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -573,8 +573,8 @@ xfs_vn_fallocate(
bf.l_len = len;

xfs_ilock(ip, XFS_IOLOCK_EXCL);
- error = xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
- 0, XFS_ATTR_NOLOCK);
+ error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
+ 0, XFS_ATTR_NOLOCK);
if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
offset + len > i_size_read(inode))
new_size = offset + len;
@@ -585,7 +585,7 @@ xfs_vn_fallocate(

iattr.ia_valid = ATTR_SIZE;
iattr.ia_size = new_size;
- error = xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
+ error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
}

xfs_iunlock(ip, XFS_IOLOCK_EXCL);
--
1.5.4.2


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