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author | 2025-01-13 15:12:15 +0100 | |
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committer | 2025-01-14 11:38:15 +0100 | |
commit | 6dca5abb3d10e27e919e5344ac07e057f443c318 (patch) | |
tree | dddba99ddf987c0da6590c99f8107ca05a1b6daf | |
parent | xfs: move invalidate_kernel_vmap_range to xfs_buf_ioend (diff) | |
download | wireguard-linux-6dca5abb3d10e27e919e5344ac07e057f443c318.tar.xz wireguard-linux-6dca5abb3d10e27e919e5344ac07e057f443c318.zip |
xfs: remove the extra buffer reference in xfs_buf_submit
Nothing touches the buffer after it has been submitted now, so the need for
the extra transient reference went away as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
-rw-r--r-- | fs/xfs/xfs_buf.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index e0a34c2aaaaf..49d087d9ba48 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1643,13 +1643,6 @@ xfs_buf_submit( return; } - /* - * Grab a reference so the buffer does not go away underneath us. For - * async buffers, I/O completion drops the callers reference, which - * could occur before submission returns. - */ - xfs_buf_hold(bp); - if (bp->b_flags & XBF_WRITE) xfs_buf_wait_unpin(bp); @@ -1672,20 +1665,13 @@ xfs_buf_submit( goto done; xfs_buf_submit_bio(bp); - goto rele; + return; done: if (bp->b_error || !(bp->b_flags & XBF_ASYNC)) xfs_buf_ioend(bp); else xfs_buf_ioend_async(bp); -rele: - /* - * Release the hold that keeps the buffer referenced for the entire - * I/O. Note that if the buffer is async, it is not safe to reference - * after this release. - */ - xfs_buf_rele(bp); } void * |