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| author | Peter Zijlstra <peterz@infradead.org> | 2017-02-24 16:43:36 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-02 06:40:36 -0500 |
| commit | 0695d7dc1d9f19b82ec2cae24856bddce278cfe6 (patch) | |
| tree | 7878aadb0635e4b2c5711d722c1acdacc1b3abfd | |
| parent | f1ef09fde17f9b77ca1435a5b53a28b203afb81c (diff) | |
| download | linux-rpi-0695d7dc1d9f19b82ec2cae24856bddce278cfe6.tar.gz linux-rpi-0695d7dc1d9f19b82ec2cae24856bddce278cfe6.tar.bz2 linux-rpi-0695d7dc1d9f19b82ec2cae24856bddce278cfe6.zip | |
orangefs: Use RCU for destroy_inode
freeing of inodes must be RCU-delayed on all filesystems
Cc: stable@vger.kernel.org
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/orangefs/super.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index c48859f16e7b..67c24351a67f 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inode(struct super_block *sb) return &orangefs_inode->vfs_inode; } +static void orangefs_i_callback(struct rcu_head *head) +{ + struct inode *inode = container_of(head, struct inode, i_rcu); + struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); + kmem_cache_free(orangefs_inode_cache, orangefs_inode); +} + static void orangefs_destroy_inode(struct inode *inode) { struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); @@ -123,7 +130,7 @@ static void orangefs_destroy_inode(struct inode *inode) "%s: deallocated %p destroying inode %pU\n", __func__, orangefs_inode, get_khandle_from_ino(inode)); - kmem_cache_free(orangefs_inode_cache, orangefs_inode); + call_rcu(&inode->i_rcu, orangefs_i_callback); } /* |