diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-06-23 07:44:30 +0200 |
|---|---|---|
| committer | Chandan Babu R <chandanbabu@kernel.org> | 2024-07-01 06:02:29 +0200 |
| commit | 4e82fa11fbbcc5426366dc2ddc839fd56b9d53de (patch) | |
| tree | 5a814a6e5235170775fc49330929fa8f7e6a1871 /fs/xfs/xfs_file.c | |
| parent | xfs: refactor __xfs_filemap_fault (diff) | |
| download | linux-4e82fa11fbbcc5426366dc2ddc839fd56b9d53de.tar.xz linux-4e82fa11fbbcc5426366dc2ddc839fd56b9d53de.zip | |
xfs: always take XFS_MMAPLOCK shared in xfs_dax_read_fault
After the previous refactoring, xfs_dax_fault is now never used for write
faults, so don't bother with the xfs_ilock_for_write_fault logic to
protect against writes when remapping is in progress.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_file.c')
| -rw-r--r-- | fs/xfs/xfs_file.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 32a2cd6ec82e..904be41f3e5e 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1279,12 +1279,11 @@ xfs_dax_read_fault( unsigned int order) { struct xfs_inode *ip = XFS_I(file_inode(vmf->vma->vm_file)); - unsigned int lock_mode; vm_fault_t ret; - lock_mode = xfs_ilock_for_write_fault(ip); + xfs_ilock(ip, XFS_MMAPLOCK_SHARED); ret = xfs_dax_fault_locked(vmf, order, false); - xfs_iunlock(ip, lock_mode); + xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); return ret; } |