diff options
Diffstat (limited to 'fs/xfs/xfs_file.c')
| -rw-r--r-- | fs/xfs/xfs_file.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index b240ea5241dc..74c2c8d253e6 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -213,14 +213,18 @@ xfs_ilock_iocb_for_write( if (ret) return ret; - if (*lock_mode == XFS_IOLOCK_EXCL) - return 0; - if (!xfs_iflags_test(ip, XFS_IREMAPPING)) - return 0; + /* + * If a reflink remap is in progress we always need to take the iolock + * exclusively to wait for it to finish. + */ + if (*lock_mode == XFS_IOLOCK_SHARED && + xfs_iflags_test(ip, XFS_IREMAPPING)) { + xfs_iunlock(ip, *lock_mode); + *lock_mode = XFS_IOLOCK_EXCL; + return xfs_ilock_iocb(iocb, *lock_mode); + } - xfs_iunlock(ip, *lock_mode); - *lock_mode = XFS_IOLOCK_EXCL; - return xfs_ilock_iocb(iocb, *lock_mode); + return 0; } static unsigned int |