Return all fallcoate modes supported by xfs file system. Cc: linux-xfs@xxxxxxxxxxxxxxx Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx> --- fs/xfs/xfs_file.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index ebdd0bd..85e06c6 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -746,7 +746,8 @@ xfs_file_write_iter( #define XFS_FALLOC_FL_SUPPORTED \ (FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | \ FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE | \ - FALLOC_FL_INSERT_RANGE | FALLOC_FL_UNSHARE_RANGE) + FALLOC_FL_INSERT_RANGE | FALLOC_FL_UNSHARE_RANGE | \ + FALLOC_FL_QUERY_SUPPORT | FALLOC_FL_PREALLOC_RANGE) STATIC long xfs_file_fallocate( @@ -768,6 +769,9 @@ xfs_file_fallocate( if (mode & ~XFS_FALLOC_FL_SUPPORTED) return -EOPNOTSUPP; + if (mode & FALLOC_FL_QUERY_SUPPORT) + return XFS_FALLOC_FL_SUPPORTED; + xfs_ilock(ip, iolock); error = xfs_break_layouts(inode, &iolock); if (error) -- 2.7.5