diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-05-02 19:37:52 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-05-11 04:20:15 +0200 |
| commit | 6e77137b363b8d866ac29c5a0c95e953614fb2d8 (patch) | |
| tree | 63a8918e58914c9ae8b35fbad37d5472e943405d /fs/namei.c | |
| parent | namei: simplify the callers of follow_managed() (diff) | |
| download | linux-6e77137b363b8d866ac29c5a0c95e953614fb2d8.tar.xz linux-6e77137b363b8d866ac29c5a0c95e953614fb2d8.zip | |
don't pass nameidata to ->follow_link()
its only use is getting passed to nd_jump_link(), which can obtain
it from current->nameidata
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/namei.c b/fs/namei.c index b57400ca6a0f..f311f0369e3c 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -753,8 +753,9 @@ static inline void path_to_nameidata(const struct path *path, * Helper to directly jump to a known parsed path from ->follow_link, * caller must have taken a reference to path beforehand. */ -void nd_jump_link(struct nameidata *nd, struct path *path) +void nd_jump_link(struct path *path) { + struct nameidata *nd = current->nameidata; path_put(&nd->path); nd->path = *path; @@ -916,7 +917,7 @@ const char *get_link(struct nameidata *nd) nd->last_type = LAST_BIND; res = inode->i_link; if (!res) { - res = inode->i_op->follow_link(dentry, &last->cookie, nd); + res = inode->i_op->follow_link(dentry, &last->cookie); if (IS_ERR(res)) { out: path_put(&last->link); @@ -4485,12 +4486,12 @@ int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen) int res; if (!link) { - link = dentry->d_inode->i_op->follow_link(dentry, &cookie, NULL); + link = dentry->d_inode->i_op->follow_link(dentry, &cookie); if (IS_ERR(link)) return PTR_ERR(link); } res = readlink_copy(buffer, buflen, link); - if (cookie && dentry->d_inode->i_op->put_link) + if (dentry->d_inode->i_op->put_link) dentry->d_inode->i_op->put_link(dentry, cookie); return res; } @@ -4523,7 +4524,7 @@ int page_readlink(struct dentry *dentry, char __user *buffer, int buflen) } EXPORT_SYMBOL(page_readlink); -const char *page_follow_link_light(struct dentry *dentry, void **cookie, struct nameidata *nd) +const char *page_follow_link_light(struct dentry *dentry, void **cookie) { struct page *page = NULL; char *res = page_getlink(dentry, &page); |