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xfs: Convert filestreams code to use per-ag get/put routines

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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>
This commit is contained in:
Dave Chinner
2010-01-11 11:47:42 +00:00
committed by Alex Elder
parent a862e0fdcb
commit 4196ac08c0
2 changed files with 36 additions and 10 deletions
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27
fs/xfs/xfs_filestream.h
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@@ -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 */