diff options
| author | Nick Piggin <npiggin@suse.de> | 2010-01-29 15:38:28 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-04-27 17:32:42 +0200 |
| commit | 1bb96f6d4dece641a9e9d7b97b109f6930967067 (patch) | |
| tree | 25ee49409c0322ebcfd5c9d216bc2cfd11b5ff65 /arch | |
| parent | 81d2f3cb75bf112a21fad52e9d3e3a1d7d0c907d (diff) | |
| download | lwn-1bb96f6d4dece641a9e9d7b97b109f6930967067.tar.gz lwn-1bb96f6d4dece641a9e9d7b97b109f6930967067.zip | |
fs-inode_lock-scale-4
Protect inode->i_count with i_lock, rather than having it atomic.
Next step should also be to move things together (eg. the refcount increment
into d_instantiate, which will remove a lock/unlock cycle on i_lock).
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/file.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 64a4c2d85f7c..f078fe70d3cd 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -1548,7 +1548,7 @@ static int spufs_mfc_open(struct inode *inode, struct file *file) if (ctx->owner != current->mm) return -EINVAL; - if (atomic_read(&inode->i_count) != 1) + if (inode->i_count != 1) return -EBUSY; mutex_lock(&ctx->mapping_lock); |