Acked-by: Al Viro <[EMAIL PROTECTED]>
Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>
Signed-off-by: Dave Hansen <[EMAIL PROTECTED]>
---
linux-2.6.git-dave/fs/namei.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff -puN
fs/namei.c~r-o-bind-mounts-elevate-write-count-for-link-and-symlink-calls
fs/namei.c
---
linux-2.6.git/fs/namei.c~r-o-bind-mounts-elevate-write-count-for-link-and-symlink-calls
2008-02-15 13:25:52.000000000 -0800
+++ linux-2.6.git-dave/fs/namei.c 2008-02-15 13:25:52.000000000 -0800
@@ -2365,7 +2365,12 @@ asmlinkage long sys_symlinkat(const char
if (IS_ERR(dentry))
goto out_unlock;
+ error = mnt_want_write(nd.path.mnt);
+ if (error)
+ goto out_dput;
error = vfs_symlink(nd.path.dentry->d_inode, dentry, from, S_IALLUGO);
+ mnt_drop_write(nd.path.mnt);
+out_dput:
dput(dentry);
out_unlock:
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
@@ -2460,7 +2465,12 @@ asmlinkage long sys_linkat(int olddfd, c
error = PTR_ERR(new_dentry);
if (IS_ERR(new_dentry))
goto out_unlock;
+ error = mnt_want_write(nd.path.mnt);
+ if (error)
+ goto out_dput;
error = vfs_link(old_nd.path.dentry, nd.path.dentry->d_inode,
new_dentry);
+ mnt_drop_write(nd.path.mnt);
+out_dput:
dput(new_dentry);
out_unlock:
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
_
--
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