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| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:49:57 +1100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:29 +1100 |
| commit | 34286d6662308d82aed891852d04c7c3a2649b16 (patch) | |
| tree | c4b7311404d302e7cb94df7a4690298e1059910a /fs/hfs | |
| parent | 44a7d7a878c9cbb74f236ea755b25b6b2e26a9a9 (diff) | |
| download | lwn-34286d6662308d82aed891852d04c7c3a2649b16.tar.gz lwn-34286d6662308d82aed891852d04c7c3a2649b16.zip | |
fs: rcu-walk aware d_revalidate method
Require filesystems be aware of .d_revalidate being called in rcu-walk
mode (nd->flags & LOOKUP_RCU). For now do a simple push down, returning
-ECHILD from all implementations.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/hfs')
| -rw-r--r-- | fs/hfs/sysdep.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/hfs/sysdep.c b/fs/hfs/sysdep.c index 7478f5c219aa..19cf291eb91f 100644 --- a/fs/hfs/sysdep.c +++ b/fs/hfs/sysdep.c @@ -8,15 +8,20 @@ * This file contains the code to do various system dependent things. */ +#include <linux/namei.h> #include "hfs_fs.h" /* dentry case-handling: just lowercase everything */ static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd) { - struct inode *inode = dentry->d_inode; + struct inode *inode; int diff; + if (nd->flags & LOOKUP_RCU) + return -ECHILD; + + inode = dentry->d_inode; if(!inode) return 1; |