Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=703e1f0fd2edc2978bde3b4536e78b577318c090
Commit: 703e1f0fd2edc2978bde3b4536e78b577318c090
Parent: 64137e56d76a5c05aa4411e2f5d7121593dd9478
Author: Eric Sandeen <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 17:41:21 2007 +1000
Committer: Lachlan McIlroy <[EMAIL PROTECTED]>
CommitDate: Thu Feb 7 16:46:48 2008 +1100
[XFS] Unwrap xfs_dabuf_global_lock
Un-obfuscate dabuf_global_lock, remove mutex_lock->spin_lock macros, call
spin_lock directly, remove extraneous cookie holdover from old xfs code,
and change lock type to spinlock_t.
SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29744a
Signed-off-by: Eric Sandeen <[EMAIL PROTECTED]>
Signed-off-by: Donald Douwsma <[EMAIL PROTECTED]>
Signed-off-by: Tim Shimmin <[EMAIL PROTECTED]>
---
fs/xfs/xfs_da_btree.c | 13 +++++--------
fs/xfs/xfs_vfsops.c | 2 +-
2 files changed, 6 insertions(+), 9 deletions(-)
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 26d09e2..1b44684 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -2218,7 +2218,7 @@ xfs_da_state_free(xfs_da_state_t *state)
#ifdef XFS_DABUF_DEBUG
xfs_dabuf_t *xfs_dabuf_global_list;
-lock_t xfs_dabuf_global_lock;
+spinlock_t xfs_dabuf_global_lock;
#endif
/*
@@ -2264,10 +2264,9 @@ xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra)
}
#ifdef XFS_DABUF_DEBUG
{
- SPLDECL(s);
xfs_dabuf_t *p;
- s = mutex_spinlock(&xfs_dabuf_global_lock);
+ spin_lock(&xfs_dabuf_global_lock);
for (p = xfs_dabuf_global_list; p; p = p->next) {
ASSERT(p->blkno != dabuf->blkno ||
p->target != dabuf->target);
@@ -2277,7 +2276,7 @@ xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra)
xfs_dabuf_global_list->prev = dabuf;
dabuf->next = xfs_dabuf_global_list;
xfs_dabuf_global_list = dabuf;
- mutex_spinunlock(&xfs_dabuf_global_lock, s);
+ spin_unlock(&xfs_dabuf_global_lock);
}
#endif
return dabuf;
@@ -2319,16 +2318,14 @@ xfs_da_buf_done(xfs_dabuf_t *dabuf)
kmem_free(dabuf->data, BBTOB(dabuf->bbcount));
#ifdef XFS_DABUF_DEBUG
{
- SPLDECL(s);
-
- s = mutex_spinlock(&xfs_dabuf_global_lock);
+ spin_lock(&xfs_dabuf_global_lock);
if (dabuf->prev)
dabuf->prev->next = dabuf->next;
else
xfs_dabuf_global_list = dabuf->next;
if (dabuf->next)
dabuf->next->prev = dabuf->prev;
- mutex_spinunlock(&xfs_dabuf_global_lock, s);
+ spin_unlock(&xfs_dabuf_global_lock);
}
memset(dabuf, 0, XFS_DA_BUF_SIZE(dabuf->nbuf));
#endif
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 57be2f7..f90d955 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -67,7 +67,7 @@ xfs_init(void)
extern kmem_zone_t *xfs_buf_item_zone;
extern kmem_zone_t *xfs_dabuf_zone;
#ifdef XFS_DABUF_DEBUG
- extern lock_t xfs_dabuf_global_lock;
+ extern spinlock_t xfs_dabuf_global_lock;
spinlock_init(&xfs_dabuf_global_lock, "xfsda");
#endif
-
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