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| author |  Dave Chinner <dchinner@redhat.com>
| 2018-03-06 17:08:32 -0800 |
|---|---|---|
| committer |  Darrick J. Wong <darrick.wong@oracle.com>
| 2018-03-11 20:27:56 -0700 |
| commit | a78ee256c325ecfaec13cafc41b315bd4e1dd518 (patch) | |
| tree | 68310eb27f23af69ea2a3c12d332e7a83c5d85c2 /fs/xfs/libxfs/xfs_format.h | |
| parent | xfs: check for cow blocks before trying to clear them (diff) | |
| download | linux-a78ee256c325ecfaec13cafc41b315bd4e1dd518.tar.gz linux-a78ee256c325ecfaec13cafc41b315bd4e1dd518.tar.bz2 linux-a78ee256c325ecfaec13cafc41b315bd4e1dd518.zip | |
xfs: convert XFS_AGFL_SIZE to a helper function
The AGFL size calculation is about to get more complex, so lets turn
the macro into a function first and remove the macro.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
[darrick: forward port to newer kernel, simplify the helper]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_format.h | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 1acb584fc5f7..42956d8d95ed 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -803,24 +803,13 @@ typedef struct xfs_agi { &(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \ (__be32 *)(bp)->b_addr) -/* - * Size of the AGFL. For CRC-enabled filesystes we steal a couple of - * slots in the beginning of the block for a proper header with the - * location information and CRC. - */ -#define XFS_AGFL_SIZE(mp) \ - (((mp)->m_sb.sb_sectsize - \ - (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \ - sizeof(struct xfs_agfl) : 0)) / \ - sizeof(xfs_agblock_t)) - typedef struct xfs_agfl { __be32 agfl_magicnum; __be32 agfl_seqno; uuid_t agfl_uuid; __be64 agfl_lsn; __be32 agfl_crc; - __be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */ + __be32 agfl_bno[]; /* actually xfs_agfl_size(mp) */ } __attribute__((packed)) xfs_agfl_t; #define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc) |