Messages in this thread Patch in this message | | | Subject | [PATCH 08/20] sys_linkat(): elevate write count around vfs_link() | From | Dave Hansen <> | Date | Tue, 27 Jun 2006 15:14:47 -0700 |
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Signed-off-by: Dave Hansen <haveblue@us.ibm.com> ---
lxc-dave/fs/namei.c | 5 +++++ 1 files changed, 5 insertions(+)
diff -puN fs/namei.c~C-elevate-writers-vfs_link-part1 fs/namei.c --- lxc/fs/namei.c~C-elevate-writers-vfs_link-part1 2006-06-27 10:40:28.000000000 -0700 +++ lxc-dave/fs/namei.c 2006-06-27 10:40:28.000000000 -0700 @@ -2313,7 +2313,12 @@ 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.mnt); + if (error) + goto out_dput; error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry); + mnt_drop_write(nd.mnt); +out_dput: dput(new_dentry); out_unlock: mutex_unlock(&nd.dentry->d_inode->i_mutex); _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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