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yaml
---
r: 124999
b: refs/heads/master
c: b4091d5
h: refs/heads/master
i:
  124997: 3b16079
  124995: c9a12ea
  124991: b320c09
v: v3
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Christoph Hellwig authored and Al Viro committed Dec 31, 2008
1 parent 33c2a37 commit 8e6e824
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Showing 2 changed files with 9 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 66f221875dc10813aa2f06c83ad60d0eb1356406
refs/heads/master: b4091d5f6fde28ab762e1094a1a26d81f3badfa5
21 changes: 8 additions & 13 deletions trunk/fs/namei.c
Original file line number Diff line number Diff line change
Expand Up @@ -526,18 +526,6 @@ static struct dentry * real_lookup(struct dentry * parent, struct qstr * name, s
return result;
}

/* SMP-safe */
static __always_inline void
walk_init_root(const char *name, struct nameidata *nd)
{
struct fs_struct *fs = current->fs;

read_lock(&fs->lock);
nd->path = fs->root;
path_get(&fs->root);
read_unlock(&fs->lock);
}

/*
* Wrapper to retry pathname resolution whenever the underlying
* file system returns an ESTALE.
Expand Down Expand Up @@ -575,9 +563,16 @@ static __always_inline int __vfs_follow_link(struct nameidata *nd, const char *l
goto fail;

if (*link == '/') {
struct fs_struct *fs = current->fs;

path_put(&nd->path);
walk_init_root(link, nd);

read_lock(&fs->lock);
nd->path = fs->root;
path_get(&fs->root);
read_unlock(&fs->lock);
}

res = link_path_walk(link, nd);
if (nd->depth || res || nd->last_type!=LAST_NORM)
return res;
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