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| author | Amir Goldstein <amir73il@gmail.com> | 2017-10-27 14:44:08 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-11-09 10:23:26 +0100 |
| commit | 4eae06de482bf370144704e31f65cd6dfbcebe94 (patch) | |
| tree | 4124e5d057cd74cd0081d1ea51babbdf672bafb9 | |
| parent | Linux 4.14-rc8 (diff) | |
| download | linux-4eae06de482bf370144704e31f65cd6dfbcebe94.tar.xz linux-4eae06de482bf370144704e31f65cd6dfbcebe94.zip | |
ovl: lockdep annotate of nested OVL_I(inode)->lock
This fixes a lockdep splat when mounting a nested overlayfs.
Fixes: a015dafcaf5b ("ovl: use ovl_inode mutex to synchronize...")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
| -rw-r--r-- | fs/overlayfs/inode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 321511ed8c42..03f0ec2b73eb 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -14,6 +14,7 @@ #include <linux/posix_acl.h> #include <linux/ratelimit.h> #include "overlayfs.h" +#include "ovl_entry.h" int ovl_setattr(struct dentry *dentry, struct iattr *attr) { @@ -409,6 +410,7 @@ static inline void ovl_lockdep_annotate_inode_mutex_key(struct inode *inode) #ifdef CONFIG_LOCKDEP static struct lock_class_key ovl_i_mutex_key[OVL_MAX_NESTING]; static struct lock_class_key ovl_i_mutex_dir_key[OVL_MAX_NESTING]; + static struct lock_class_key ovl_i_lock_key[OVL_MAX_NESTING]; int depth = inode->i_sb->s_stack_depth - 1; @@ -419,6 +421,8 @@ static inline void ovl_lockdep_annotate_inode_mutex_key(struct inode *inode) lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_dir_key[depth]); else lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_key[depth]); + + lockdep_set_class(&OVL_I(inode)->lock, &ovl_i_lock_key[depth]); #endif } |