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author | Al Viro <viro@zeniv.linux.org.uk> | 2015-05-07 09:21:14 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-05-11 08:13:09 -0400 |
commit | 237d8b327abb428ff39b49e32ce07fdac468e32f (patch) | |
tree | 90c894d26adfaca1b17be26914daa9e65e174a9d /fs/namei.c | |
parent | 254cf582127b200ea6d4e55c9b4965485c3fe4c8 (diff) | |
download | linux-237d8b327abb428ff39b49e32ce07fdac468e32f.tar.gz linux-237d8b327abb428ff39b49e32ce07fdac468e32f.tar.bz2 linux-237d8b327abb428ff39b49e32ce07fdac468e32f.zip |
namei: store inode in nd->stack[]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r-- | fs/namei.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/namei.c b/fs/namei.c index e3214506016d..366b0f348d1c 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -507,6 +507,7 @@ struct nameidata { struct path link; void *cookie; const char *name; + struct inode *inode; } *stack, internal[EMBEDDED_LEVELS]; }; @@ -746,7 +747,7 @@ void nd_jump_link(struct path *path) static inline void put_link(struct nameidata *nd) { struct saved *last = nd->stack + --nd->depth; - struct inode *inode = last->link.dentry->d_inode; + struct inode *inode = last->inode; if (last->cookie && inode->i_op->put_link) inode->i_op->put_link(last->link.dentry, last->cookie); path_put(&last->link); @@ -779,7 +780,7 @@ static inline int may_follow_link(struct nameidata *nd) return 0; /* Allowed if owner and follower match. */ - inode = nd->stack[0].link.dentry->d_inode; + inode = nd->stack[0].inode; if (uid_eq(current_cred()->fsuid, inode->i_uid)) return 0; @@ -870,7 +871,7 @@ const char *get_link(struct nameidata *nd) { struct saved *last = nd->stack + nd->depth - 1; struct dentry *dentry = last->link.dentry; - struct inode *inode = dentry->d_inode; + struct inode *inode = last->inode; int error; const char *res; @@ -1569,6 +1570,7 @@ static int pick_link(struct nameidata *nd, struct path *link, unsigned seq) last = nd->stack + nd->depth++; last->link = *link; last->cookie = NULL; + last->inode = d_backing_inode(link->dentry); return 1; } |