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| author | Nick Piggin <npiggin@suse.de> | 2010-01-29 15:38:29 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-04-27 17:32:44 +0200 |
| commit | 3e9014b7ae2e05b53552f6524a2efd5d22a20400 (patch) | |
| tree | f0a3e4a5fc370e5c0e2905c6ebbd0f68bba1c34d /include | |
| parent | 6c2613987518fa790e4eb7b2c649051d61cdd599 (diff) | |
| download | lwn-3e9014b7ae2e05b53552f6524a2efd5d22a20400.tar.gz lwn-3e9014b7ae2e05b53552f6524a2efd5d22a20400.zip | |
fs-inode_lock-scale-5
Protect inodes_stat statistics with atomic ops rather than inode_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 'include')
| -rw-r--r-- | include/linux/fs.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 659579634f9a..fc4222374cd7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -8,6 +8,7 @@ #include <linux/limits.h> #include <linux/ioctl.h> +#include <asm/atomic.h> /* * It's silly to have NR_OPEN bigger than NR_FILE, but you can change @@ -39,8 +40,8 @@ struct files_stat_struct { }; struct inodes_stat_t { - int nr_inodes; - int nr_unused; + atomic_t nr_inodes; + atomic_t nr_unused; int dummy[5]; /* padding for sysctl ABI compatibility */ }; |