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| author | Christoph Hellwig <hch@infradead.org> | 2007-08-30 17:21:54 +1000 |
|---|---|---|
| committer | Tim Shimmin <tes@chook.melbourne.sgi.com> | 2007-10-16 12:18:09 +1000 |
| commit | cc92e7ac8d96418d99f0c31a9a132e9fccc54553 (patch) | |
| tree | 85ba32909af656d5b332657aa26179369f635a00 /fs/xfs | |
| parent | 0adba5363ccbee073f127feb1d6942e64ee63ab3 (diff) | |
| download | op-kernel-dev-cc92e7ac8d96418d99f0c31a9a132e9fccc54553.zip op-kernel-dev-cc92e7ac8d96418d99f0c31a9a132e9fccc54553.tar.gz | |
[XFS] growlock should be a mutex
m_growlock only needs plain binary mutex semantics, so use a struct mutex
instead of a semaphore for it.
SGI-PV: 968563
SGI-Modid: xfs-linux-melb:xfs-kern:29512a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_fsops.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.c | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.h | 2 |
3 files changed, 7 insertions, 7 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 94bd9f2..c92d5b8 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -433,10 +433,10 @@ xfs_growfs_data( xfs_growfs_data_t *in) { int error; - if (!cpsema(&mp->m_growlock)) + if (!mutex_trylock(&mp->m_growlock)) return XFS_ERROR(EWOULDBLOCK); error = xfs_growfs_data_private(mp, in); - vsema(&mp->m_growlock); + mutex_unlock(&mp->m_growlock); return error; } @@ -446,10 +446,10 @@ xfs_growfs_log( xfs_growfs_log_t *in) { int error; - if (!cpsema(&mp->m_growlock)) + if (!mutex_trylock(&mp->m_growlock)) return XFS_ERROR(EWOULDBLOCK); error = xfs_growfs_log_private(mp, in); - vsema(&mp->m_growlock); + mutex_unlock(&mp->m_growlock); return error; } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index ba8df2f..ebdb76d 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -139,7 +139,7 @@ xfs_mount_init(void) AIL_LOCKINIT(&mp->m_ail_lock, "xfs_ail"); spinlock_init(&mp->m_sb_lock, "xfs_sb"); mutex_init(&mp->m_ilock); - initnsema(&mp->m_growlock, 1, "xfs_grow"); + mutex_init(&mp->m_growlock); /* * Initialize the AIL. */ @@ -174,7 +174,7 @@ xfs_mount_free( AIL_LOCK_DESTROY(&mp->m_ail_lock); spinlock_destroy(&mp->m_sb_lock); mutex_destroy(&mp->m_ilock); - freesema(&mp->m_growlock); + mutex_destroy(&mp->m_growlock); if (mp->m_quotainfo) XFS_QM_DONE(mp); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 7f671f8..c618f7c 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -384,7 +384,7 @@ typedef struct xfs_mount { uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ struct xfs_perag *m_perag; /* per-ag accounting info */ struct rw_semaphore m_peraglock; /* lock for m_perag (pointer) */ - sema_t m_growlock; /* growfs mutex */ + struct mutex m_growlock; /* growfs mutex */ int m_fixedfsid[2]; /* unchanged for life of FS */ uint m_dmevmask; /* DMI events for this FS */ __uint64_t m_flags; /* global mount flags */ |
