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| author | From: Christoph Hellwig <hch@lst.de> | 2008-11-28 14:23:38 +1100 |
|---|---|---|
| committer | Niv Sardi <xaiki@sgi.com> | 2008-12-01 11:37:20 +1100 |
| commit | 4805621a37d9b2b16641b5c68597651419e9e252 (patch) | |
| tree | a3c63689100a8c7ca2eb72efe4036f7863c34e12 /fs/xfs/xfs_ag.h | |
| parent | 5e1be0fb1a3950597aeda448698e85b0595a2e92 (diff) | |
| download | blackbird-op-linux-4805621a37d9b2b16641b5c68597651419e9e252.tar.gz blackbird-op-linux-4805621a37d9b2b16641b5c68597651419e9e252.zip | |
[XFS] factor out xfs_read_agf helper
Add a helper to read the AGF header and perform basic verification.
Based on hunks from a larger patch from Dave Chinner.
(First sent on Juli 23rd)
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_ag.h')
| -rw-r--r-- | fs/xfs/xfs_ag.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index f4a315390c61..f2e21817a226 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -91,6 +91,8 @@ typedef struct xfs_agf { #define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp)) #define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)XFS_BUF_PTR(bp)) +extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp, + xfs_agnumber_t agno, int flags, struct xfs_buf **bpp); /* * Size of the unlinked inode hash table in the agi. |
