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(parent: ee647f8) | patch
xfs: make xfs_*read_agf return EAGAIN to ALLOC_FLAG_TRYLOCK callers
authorDarrick J. Wong <darrick.wong@oracle.com>
Fri, 24 Jan 2020 01:01:19 +0000 (17:01 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Sun, 26 Jan 2020 22:32:26 +0000 (14:32 -0800)
commitf48e2df8a877ca1c19d92cfd7e74cc5956fa84cb
treef3643a33c702847898c6717d7c787c6f44ffc478tree | snapshot
parentee647f85cb81b09bbfa2886954828ed03fa3ec38commit | diff
xfs: make xfs_*read_agf return EAGAIN to ALLOC_FLAG_TRYLOCK callers

Refactor xfs_read_agf and xfs_alloc_read_agf to return EAGAIN if the
caller passed TRYLOCK and we weren't able to get the lock; and change
the callers to recognize this.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
fs/xfs/libxfs/xfs_alloc.c diff | blob | history
fs/xfs/libxfs/xfs_bmap.c diff | blob | history
fs/xfs/xfs_filestream.c diff | blob | history