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authorMichael Halcrow <mhalcrow@us.ibm.com>2006-11-16 01:19:30 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-11-16 11:43:38 -0800
commitae56fb16337c882c52806508f93ead4034004c7a (patch)
treef2bb551db8d2d9b92c90b5f5462a3617457771bd /fs/ecryptfs
parent31be8309532a6743f301cb2e83bd12ca07988b09 (diff)
downloadop-kernel-dev-ae56fb16337c882c52806508f93ead4034004c7a.zip
op-kernel-dev-ae56fb16337c882c52806508f93ead4034004c7a.tar.gz
[PATCH] eCryptfs: CIFS nlink fixes
When CIFS is the lower filesystem, the old lower dentry needs to be explicitly dropped from inside eCryptfs to force a revalidate. In addition, when CIFS is the lower filesystem, the inode attributes need to be copied back up from the lower inode to the eCryptfs inode on an eCryptfs revalidate. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/dentry.c6
-rw-r--r--fs/ecryptfs/inode.c3
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c
index 0b9992a..52d1e36 100644
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -57,6 +57,12 @@ static int ecryptfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
nd->dentry = dentry_save;
nd->mnt = vfsmount_save;
+ if (dentry->d_inode) {
+ struct inode *lower_inode =
+ ecryptfs_inode_to_lower(dentry->d_inode);
+
+ ecryptfs_copy_attr_all(dentry->d_inode, lower_inode);
+ }
out:
return rc;
}
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index ebec8cf..dfcc684 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -470,6 +470,7 @@ out_lock:
unlock_dir(lower_dir_dentry);
dput(lower_new_dentry);
dput(lower_old_dentry);
+ d_drop(lower_old_dentry);
d_drop(new_dentry);
d_drop(old_dentry);
return rc;
@@ -484,7 +485,7 @@ static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
lock_parent(lower_dentry);
rc = vfs_unlink(lower_dir_inode, lower_dentry);
if (rc) {
- ecryptfs_printk(KERN_ERR, "Error in vfs_unlink\n");
+ printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
goto out_unlock;
}
ecryptfs_copy_attr_times(dir, lower_dir_inode);
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