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| author | Dave Chinner <david@fromorbit.com> | 2010-01-11 11:47:42 +0000 |
|---|---|---|
| committer | Alex Elder <aelder@sgi.com> | 2010-01-15 15:33:22 -0600 |
| commit | 4196ac08c023c6dab90c3fa460d9c06deaa304c4 (patch) | |
| tree | ec73915586a45d0a2d459014560138fd499180d9 /fs/xfs/xfs_filestream.h | |
| parent | a862e0fdcb8862aab2538ec2fc2f0dc07a625c59 (diff) | |
| download | lwn-4196ac08c023c6dab90c3fa460d9c06deaa304c4.tar.gz lwn-4196ac08c023c6dab90c3fa460d9c06deaa304c4.zip | |
xfs: Convert filestreams code to use per-ag get/put routines
Use xfs_perag_get() and xfs_perag_put() in the filestreams code.
Signed-off-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_filestream.h')
| -rw-r--r-- | fs/xfs/xfs_filestream.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h index 4aba67c5f64f..58378b2ea033 100644 --- a/fs/xfs/xfs_filestream.h +++ b/fs/xfs/xfs_filestream.h @@ -79,12 +79,21 @@ extern ktrace_t *xfs_filestreams_trace_buf; * the cache that reference per-ag array elements that have since been * reallocated. */ +/* + * xfs_filestream_peek_ag is only used in tracing code + */ static inline int xfs_filestream_peek_ag( xfs_mount_t *mp, xfs_agnumber_t agno) { - return atomic_read(&mp->m_perag[agno].pagf_fstrms); + struct xfs_perag *pag; + int ret; + + pag = xfs_perag_get(mp, agno); + ret = atomic_read(&pag->pagf_fstrms); + xfs_perag_put(pag); + return ret; } static inline int @@ -92,7 +101,13 @@ xfs_filestream_get_ag( xfs_mount_t *mp, xfs_agnumber_t agno) { - return atomic_inc_return(&mp->m_perag[agno].pagf_fstrms); + struct xfs_perag *pag; + int ret; + + pag = xfs_perag_get(mp, agno); + ret = atomic_inc_return(&pag->pagf_fstrms); + xfs_perag_put(pag); + return ret; } static inline int @@ -100,7 +115,13 @@ xfs_filestream_put_ag( xfs_mount_t *mp, xfs_agnumber_t agno) { - return atomic_dec_return(&mp->m_perag[agno].pagf_fstrms); + struct xfs_perag *pag; + int ret; + + pag = xfs_perag_get(mp, agno); + ret = atomic_dec_return(&pag->pagf_fstrms); + xfs_perag_put(pag); + return ret; } /* allocation selection flags */ |