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| author | Al Viro <viro@zeniv.linux.org.uk> | 2009-12-23 08:35:54 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-01-14 17:05:25 +0300 |
| commit | 204f2f0e82ec5cecbe671cfe2b132146929213d3 (patch) | |
| tree | 0f57a312898ba3d910289fbee5fcd84e073a06da /fs/9p | |
| parent | 86acdca1b63e6890540fa19495cfc708beff3d8b (diff) | |
| download | linux-204f2f0e82ec5cecbe671cfe2b132146929213d3.tar.xz | |
Kill 9p readlink()
For symlinks generic_readlink() will work just fine and for directories
we don't want ->readlink() at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_inode.c | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 18f74ec4dce9..9d03d1ebca6f 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -1001,44 +1001,6 @@ done: } /** - * v9fs_vfs_readlink - read a symlink's location - * @dentry: dentry for symlink - * @buffer: buffer to load symlink location into - * @buflen: length of buffer - * - */ - -static int v9fs_vfs_readlink(struct dentry *dentry, char __user * buffer, - int buflen) -{ - int retval; - int ret; - char *link = __getname(); - - if (unlikely(!link)) - return -ENOMEM; - - if (buflen > PATH_MAX) - buflen = PATH_MAX; - - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name, - dentry); - - retval = v9fs_readlink(dentry, link, buflen); - - if (retval > 0) { - if ((ret = copy_to_user(buffer, link, retval)) != 0) { - P9_DPRINTK(P9_DEBUG_ERROR, - "problem copying to user: %d\n", ret); - retval = ret; - } - } - - __putname(link); - return retval; -} - -/** * v9fs_vfs_follow_link - follow a symlink path * @dentry: dentry for symlink * @nd: nameidata @@ -1230,7 +1192,6 @@ static const struct inode_operations v9fs_dir_inode_operations_ext = { .rmdir = v9fs_vfs_rmdir, .mknod = v9fs_vfs_mknod, .rename = v9fs_vfs_rename, - .readlink = v9fs_vfs_readlink, .getattr = v9fs_vfs_getattr, .setattr = v9fs_vfs_setattr, }; @@ -1253,7 +1214,7 @@ static const struct inode_operations v9fs_file_inode_operations = { }; static const struct inode_operations v9fs_symlink_inode_operations = { - .readlink = v9fs_vfs_readlink, + .readlink = generic_readlink, .follow_link = v9fs_vfs_follow_link, .put_link = v9fs_vfs_put_link, .getattr = v9fs_vfs_getattr, |