From 1aa91d9c993397858a50c433933ea119903fdea2 Mon Sep 17 00:00:00 2001 From: Stefan Roesch Date: Thu, 23 Jun 2022 10:51:57 -0700 Subject: xfs: Add async buffered write support This adds the async buffered write support to XFS. For async buffered write requests, the request will return -EAGAIN if the ilock cannot be obtained immediately. Signed-off-by: Stefan Roesch Reviewed-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Link: https://lore.kernel.org/r/20220623175157.1715274-15-shr@fb.com Signed-off-by: Jens Axboe --- fs/xfs/xfs_iomap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/xfs/xfs_iomap.c') diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index bcf7c3694290..5d50fed291b4 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -886,6 +886,7 @@ xfs_buffered_write_iomap_begin( bool eof = false, cow_eof = false, shared = false; int allocfork = XFS_DATA_FORK; int error = 0; + unsigned int lockmode = XFS_ILOCK_EXCL; if (xfs_is_shutdown(mp)) return -EIO; @@ -897,7 +898,9 @@ xfs_buffered_write_iomap_begin( ASSERT(!XFS_IS_REALTIME_INODE(ip)); - xfs_ilock(ip, XFS_ILOCK_EXCL); + error = xfs_ilock_for_iomap(ip, flags, &lockmode); + if (error) + return error; if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(&ip->i_df)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { -- cgit v1.2.1