Messages in this thread Patch in this message | | | From | Valerie Aurora <> | Subject | [PATCH 23/38] union-mount: Call do_whiteout() on unlink and rmdir in unions | Date | Fri, 25 Jun 2010 12:05:13 -0700 |
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From: Jan Blunck <jblunck@suse.de>
Call do_whiteout() when removing files and directories from a union mounted file system.
Signed-off-by: Valerie Aurora <vaurora@redhat.com> --- fs/namei.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c index 3f969af..c17693f 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2595,6 +2595,10 @@ static long do_rmdir(int dfd, const char __user *pathname) error = security_path_rmdir(&nd.path, path.dentry); if (error) goto exit4; + if (IS_DIR_UNIONED(nd.path.dentry)) { + error = do_whiteout(&nd, &path, 1); + goto exit4; + } error = vfs_rmdir(nd.path.dentry->d_inode, path.dentry); exit4: mnt_drop_write(nd.path.mnt); @@ -2684,6 +2688,10 @@ static long do_unlinkat(int dfd, const char __user *pathname) error = security_path_unlink(&nd.path, path.dentry); if (error) goto exit3; + if (IS_DIR_UNIONED(nd.path.dentry)) { + error = do_whiteout(&nd, &path, 0); + goto exit3; + } error = vfs_unlink(nd.path.dentry->d_inode, path.dentry); exit3: mnt_drop_write(nd.path.mnt); -- 1.6.3.3
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