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| author | Dave Chinner <david@fromorbit.com> | 2010-01-11 11:47:43 +0000 |
|---|---|---|
| committer | Alex Elder <aelder@sgi.com> | 2010-01-15 15:33:39 -0600 |
| commit | 44b56e0a1aed522a10051645e85d300e10926fd3 (patch) | |
| tree | c46879f4feaec1b19456395d74a2e9c27dde530d /fs/xfs/xfs_bmap.c | |
| parent | 4196ac08c023c6dab90c3fa460d9c06deaa304c4 (diff) | |
| download | kernel_samsung_smdk4412-44b56e0a1aed522a10051645e85d300e10926fd3.zip kernel_samsung_smdk4412-44b56e0a1aed522a10051645e85d300e10926fd3.tar.gz kernel_samsung_smdk4412-44b56e0a1aed522a10051645e85d300e10926fd3.tar.bz2 | |
xfs: convert remaining direct references to m_perag
Convert the remaining direct lookups of the per ag structures to use
get/put accesses. Ensure that the loops across AGs and prior users
of the interface balance gets and puts correctly.
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_bmap.c')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 98251cd..a9b95d9 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -2630,11 +2630,12 @@ xfs_bmap_btalloc( startag = ag = 0; notinit = 0; down_read(&mp->m_peraglock); + pag = xfs_perag_get(mp, ag); while (blen < ap->alen) { - pag = &mp->m_perag[ag]; if (!pag->pagf_init && (error = xfs_alloc_pagf_init(mp, args.tp, ag, XFS_ALLOC_FLAG_TRYLOCK))) { + xfs_perag_put(pag); up_read(&mp->m_peraglock); return error; } @@ -2667,6 +2668,7 @@ xfs_bmap_btalloc( break; error = xfs_filestream_new_ag(ap, &ag); + xfs_perag_put(pag); if (error) { up_read(&mp->m_peraglock); return error; @@ -2674,6 +2676,7 @@ xfs_bmap_btalloc( /* loop again to set 'blen'*/ startag = NULLAGNUMBER; + pag = xfs_perag_get(mp, ag); continue; } } @@ -2681,7 +2684,10 @@ xfs_bmap_btalloc( ag = 0; if (ag == startag) break; + xfs_perag_put(pag); + pag = xfs_perag_get(mp, ag); } + xfs_perag_put(pag); up_read(&mp->m_peraglock); /* * Since the above loop did a BUF_TRYLOCK, it is |