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authorTyler Hicks <tyhicks@linux.vnet.ibm.com>2011-01-11 12:43:42 -0600
committerTyler Hicks <tyhicks@linux.vnet.ibm.com>2011-02-21 14:46:36 -0600
commit55f9cf6bbaa682958a7dd2755f883b768270c3ce (patch)
tree64c105d0d8f361be09f7eb5a771515e16d4e14fa
parent323ef68faf1bbd9b1e66aea268fd09d358d7e8ab (diff)
downloadlinux-linaro-55f9cf6bbaa682958a7dd2755f883b768270c3ce.tar.gz
eCryptfs: Copy up lower inode attrs in getattr
The lower filesystem may do some type of inode revalidation during a getattr call. eCryptfs should take advantage of that by copying the lower inode attributes to the eCryptfs inode after a call to vfs_getattr() on the lower inode. I originally wrote this fix while working on eCryptfs on nfsv3 support, but discovered it also fixed an eCryptfs on ext4 nanosecond timestamp bug that was reported. https://bugs.launchpad.net/bugs/613873 Cc: <stable@kernel.org> Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
-rw-r--r--fs/ecryptfs/inode.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index eb0d267ee71..b592938a84b 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1010,6 +1010,8 @@ int ecryptfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
rc = vfs_getattr(ecryptfs_dentry_to_lower_mnt(dentry),
ecryptfs_dentry_to_lower(dentry), &lower_stat);
if (!rc) {
+ fsstack_copy_attr_all(dentry->d_inode,
+ ecryptfs_inode_to_lower(dentry->d_inode));
generic_fillattr(dentry->d_inode, stat);
stat->blocks = lower_stat.blocks;
}