Acked-by: Christoph Hellwig <[EMAIL PROTECTED]>
Signed-off-by: Dave Hansen <[EMAIL PROTECTED]>
---
lxc-dave/fs/namei.c | 4 ++++
lxc-dave/ipc/mqueue.c | 5 ++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff -puN fs/namei.c~elevate-mnt-writers-for-vfs-unlink-callers fs/namei.c
--- lxc/fs/namei.c~elevate-mnt-writers-for-vfs-unlink-callers 2007-09-20
12:16:21.000000000 -0700
+++ lxc-dave/fs/namei.c 2007-09-20 12:16:21.000000000 -0700
@@ -2228,7 +2228,11 @@ static long do_unlinkat(int dfd, const c
inode = dentry->d_inode;
if (inode)
atomic_inc(&inode->i_count);
+ error = mnt_want_write(nd.mnt);
+ if (error)
+ goto exit2;
error = vfs_unlink(nd.dentry->d_inode, dentry);
+ mnt_drop_write(nd.mnt);
exit2:
dput(dentry);
}
diff -puN ipc/mqueue.c~elevate-mnt-writers-for-vfs-unlink-callers ipc/mqueue.c
--- lxc/ipc/mqueue.c~elevate-mnt-writers-for-vfs-unlink-callers 2007-09-20
12:16:21.000000000 -0700
+++ lxc-dave/ipc/mqueue.c 2007-09-20 12:16:21.000000000 -0700
@@ -750,8 +750,11 @@ asmlinkage long sys_mq_unlink(const char
inode = dentry->d_inode;
if (inode)
atomic_inc(&inode->i_count);
-
+ err = mnt_want_write(mqueue_mnt);
+ if (err)
+ goto out_err;
err = vfs_unlink(dentry->d_parent->d_inode, dentry);
+ mnt_drop_write(mqueue_mnt);
out_err:
dput(dentry);
_
-
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