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| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-23 15:19:20 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-25 21:24:15 -0400 |
| commit | 1d3382cbf02986e4833849f528d451367ea0b4cb (patch) | |
| tree | b754f9903c0f77ce40dcff18030b49d0ce213eab /mm/shmem.c | |
| parent | a8dade34e3df581bc36ca2afe6e27055e178801c (diff) | |
| download | lwn-1d3382cbf02986e4833849f528d451367ea0b4cb.tar.gz lwn-1d3382cbf02986e4833849f528d451367ea0b4cb.zip | |
new helper: inode_unhashed()
note: for race-free uses you inode_lock held
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 080b09a57a8f..27a58120dbd5 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2146,7 +2146,7 @@ static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len, if (*len < 3) return 255; - if (hlist_unhashed(&inode->i_hash)) { + if (inode_unhashed(inode)) { /* Unfortunately insert_inode_hash is not idempotent, * so as we hash inodes here rather than at creation * time, we need a lock to ensure we only try @@ -2154,7 +2154,7 @@ static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len, */ static DEFINE_SPINLOCK(lock); spin_lock(&lock); - if (hlist_unhashed(&inode->i_hash)) + if (inode_unhashed(inode)) __insert_inode_hash(inode, inode->i_ino + inode->i_generation); spin_unlock(&lock); |