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| author |   Christoph Hellwig <hch@lst.de> | 2019-06-28 19:27:29 -0700 |
|---|---|---|
| committer |   Darrick J. Wong <darrick.wong@oracle.com> | 2019-06-28 19:27:29 -0700 |
| commit | dbd329f1e44ed48de8a1c19da5eb1218f5e1b4a5 (patch) | |
| tree | f0e3c030dee4994dbea1fd6c3d3fed9fa1d64d05 /fs/xfs/xfs_buf.h | |
| parent | xfs: remove the b_io_length field in struct xfs_buf (diff) | |
| download | linux-dev-dbd329f1e44ed48de8a1c19da5eb1218f5e1b4a5.tar.xz linux-dev-dbd329f1e44ed48de8a1c19da5eb1218f5e1b4a5.zip | |
xfs: add struct xfs_mount pointer to struct xfs_buf
We need to derive the mount pointer from a buffer in a lot of place.
Add a direct pointer to short cut the pointer chasing.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_buf.h')
| -rw-r--r-- | fs/xfs/xfs_buf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index d70374c365e2..c6e57a3f409e 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -145,6 +145,7 @@ typedef struct xfs_buf { wait_queue_head_t b_waiters; /* unpin waiters */ struct list_head b_list; struct xfs_perag *b_pag; /* contains rbtree root */ + struct xfs_mount *b_mount; xfs_buftarg_t *b_target; /* buffer target (device) */ void *b_addr; /* virtual address of buffer */ struct work_struct b_ioend_work; |