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authorMichael Halcrow <mhalcrow@us.ibm.com>2006-11-16 04:19:30 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-11-16 14:43:38 -0500
commitae56fb16337c882c52806508f93ead4034004c7a (patch)
treef2bb551db8d2d9b92c90b5f5462a3617457771bd /fs/ecryptfs
parent31be8309532a6743f301cb2e83bd12ca07988b09 (diff)
[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 0b9992ab990f..52d1e36dc746 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)
57 rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd); 57 rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
58 nd->dentry = dentry_save; 58 nd->dentry = dentry_save;
59 nd->mnt = vfsmount_save; 59 nd->mnt = vfsmount_save;
60 if (dentry->d_inode) {
61 struct inode *lower_inode =
62 ecryptfs_inode_to_lower(dentry->d_inode);
63
64 ecryptfs_copy_attr_all(dentry->d_inode, lower_inode);
65 }
60out: 66out:
61 return rc; 67 return rc;
62} 68}
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index ebec8cfc189b..dfcc68484f47 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -470,6 +470,7 @@ out_lock:
470 unlock_dir(lower_dir_dentry); 470 unlock_dir(lower_dir_dentry);
471 dput(lower_new_dentry); 471 dput(lower_new_dentry);
472 dput(lower_old_dentry); 472 dput(lower_old_dentry);
473 d_drop(lower_old_dentry);
473 d_drop(new_dentry); 474 d_drop(new_dentry);
474 d_drop(old_dentry); 475 d_drop(old_dentry);
475 return rc; 476 return rc;
@@ -484,7 +485,7 @@ static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
484 lock_parent(lower_dentry); 485 lock_parent(lower_dentry);
485 rc = vfs_unlink(lower_dir_inode, lower_dentry); 486 rc = vfs_unlink(lower_dir_inode, lower_dentry);
486 if (rc) { 487 if (rc) {
487 ecryptfs_printk(KERN_ERR, "Error in vfs_unlink\n"); 488 printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
488 goto out_unlock; 489 goto out_unlock;
489 } 490 }
490 ecryptfs_copy_attr_times(dir, lower_dir_inode); 491 ecryptfs_copy_attr_times(dir, lower_dir_inode);