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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-11-01 19:30:41 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-10 21:32:13 -0500 |
| commit | 1f55a6ec940fb45e3edaa52b6e9fc40cf8e18dcb (patch) | |
| tree | 67cd7ee3eb2546116d1a322b4bbaf7b6f82a80f5 /fs/namei.c | |
| parent | 707c5960f102f8cdafb9406047b158abc71b391f (diff) | |
| download | linux-1f55a6ec940fb45e3edaa52b6e9fc40cf8e18dcb.tar.bz2 | |
make nameidata completely opaque outside of fs/namei.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c index db5fe86319e6..398a73b522cb 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -487,6 +487,18 @@ void path_put(const struct path *path) } EXPORT_SYMBOL(path_put); +struct nameidata { + struct path path; + struct qstr last; + struct path root; + struct inode *inode; /* path.dentry.d_inode */ + unsigned int flags; + unsigned seq, m_seq; + int last_type; + unsigned depth; + char *saved_names[MAX_NESTED_LINKS + 1]; +}; + /* * Path walking has 2 modes, rcu-walk and ref-walk (see * Documentation/filesystems/path-lookup.txt). In situations when we can't @@ -695,6 +707,18 @@ void nd_jump_link(struct nameidata *nd, struct path *path) nd->flags |= LOOKUP_JUMPED; } +void nd_set_link(struct nameidata *nd, char *path) +{ + nd->saved_names[nd->depth] = path; +} +EXPORT_SYMBOL(nd_set_link); + +char *nd_get_link(struct nameidata *nd) +{ + return nd->saved_names[nd->depth]; +} +EXPORT_SYMBOL(nd_get_link); + static inline void put_link(struct nameidata *nd, struct path *link, void *cookie) { struct inode *inode = link->dentry->d_inode; |