[RESEND PATCH 2/2] xfs: use invalidate_lock to check the state of mmap_lock

xiakaixu1987
2022-06-17T02:31:08Z

We should use invalidate_lock and XFS_MMAPLOCK_SHARED to check the state
of mmap_lock rw_semaphore in xfs_isilocked(), rather than i_rwsem and
XFS_IOLOCK_SHARED.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
---
fs/xfs/xfs_inode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 8b8bac7eba8c..3e1c62ffa4f7 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -365,8 +365,8 @@ xfs_isilocked(
}

if (lock_flags & (XFS_MMAPLOCK_EXCL|XFS_MMAPLOCK_SHARED)) {
- return __xfs_rwsem_islocked(&VFS_I(ip)->i_rwsem,
- (lock_flags & XFS_IOLOCK_SHARED));
+ return __xfs_rwsem_islocked(&VFS_I(ip)->i_mapping->invalidate_lock,
+ (lock_flags & XFS_MMAPLOCK_SHARED));
}

if (lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) {
--
2.27.0