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authorMichael Halcrow <mhalcrow@us.ibm.com>2008-07-23 21:30:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:31 -0700
commit72b55fffd631a89e5be6fe1b4f2565bc4cd90deb (patch)
treeece810c24655a6eeed96a6f2fbe14dea6478f031 /fs/ecryptfs/inode.c
parent0a688ad713949643e201431d3f4a4ceddfeb70ca (diff)
eCryptfs: do not try to open device files on mknod
When creating device nodes, eCryptfs needs to delay actually opening the lower persistent file until an application tries to open. Device handles may not be backed by anything when they first come into existence. [Valdis.Kletnieks@vt.edu: build fix] Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: <Valdis.Kletnieks@vt.edu} Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs/inode.c')
-rw-r--r--fs/ecryptfs/inode.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 7315547193e..26090878c93 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -308,7 +308,8 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
d_add(dentry, NULL);
goto out;
}
- rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb, 1);
+ rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb,
+ ECRYPTFS_INTERPOSE_FLAG_D_ADD);
if (rc) {
ecryptfs_printk(KERN_ERR, "Error interposing\n");
goto out_dput;
@@ -537,7 +538,8 @@ ecryptfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
rc = vfs_mknod(lower_dir_dentry->d_inode, lower_dentry, mode, dev);
if (rc || !lower_dentry->d_inode)
goto out;
- rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb, 0);
+ rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb,
+ ECRYPTFS_INTERPOSE_FLAG_DELAY_PERSISTENT_FILE);
if (rc)
goto out;
fsstack_copy_attr_times(dir, lower_dir_dentry->d_inode);