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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-30 12:51:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-30 12:51:42 -0700
commit1b2d3d94ec878c3529153061cd8cceb876e01a3e (patch)
tree93adaf1666942024cce4e3aa0bc58f0f1095bd2f /fs
parent8bd93ca7b03f38a7bc1a4ed9e93e8c006e753d5b (diff)
parent5f707eb429e2c98dfd564ffbbd9f536bf493d869 (diff)
downloadconfigs-1b2d3d94ec878c3529153061cd8cceb876e01a3e.tar.gz
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: SUNRPC: Fix potential race in put_rpccred() SUNRPC: Fix rpcauth_prune_expired NFS: Convert nfs_attr_generation_counter into an atomic_long SUNRPC: Respond promptly to server TCP resets
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/inode.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index dc52793ff8f..d22eb383e1c 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -908,21 +908,16 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt
return nfs_size_to_loff_t(fattr->size) > i_size_read(inode);
}
-static unsigned long nfs_attr_generation_counter;
+static atomic_long_t nfs_attr_generation_counter;
static unsigned long nfs_read_attr_generation_counter(void)
{
- smp_rmb();
- return nfs_attr_generation_counter;
+ return atomic_long_read(&nfs_attr_generation_counter);
}
unsigned long nfs_inc_attr_generation_counter(void)
{
- unsigned long ret;
- smp_rmb();
- ret = ++nfs_attr_generation_counter;
- smp_wmb();
- return ret;
+ return atomic_long_inc_return(&nfs_attr_generation_counter);
}
void nfs_fattr_init(struct nfs_fattr *fattr)