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authorIan Kent <raven@themaw.net>2010-05-10 16:46:08 +0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-10 09:48:10 -0700
commitf7422464b57088071201cd94027662d8469f153b (patch)
treed6eea687462815fbcbe43aa6b273f672babd5f2e /fs
parentb77b907fae863f3bc546a336a8bc5e660d371788 (diff)
downloadop-kernel-dev-f7422464b57088071201cd94027662d8469f153b.zip
op-kernel-dev-f7422464b57088071201cd94027662d8469f153b.tar.gz
autofs4-2.6.34-rc1 - fix link_count usage
After commit 1f36f774b2 ("Switch !O_CREAT case to use of do_last()") in 2.6.34-rc1 autofs direct mounts stopped working. This is caused by current->link_count being 0 when ->follow_link() is called from do_filp_open(). I can't work out why this hasn't been seen before Als patch series. This patch removes the autofs dependence on current->link_count. Signed-off-by: Ian Kent <raven@themaw.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/autofs4/root.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 109a6c6..e8e5e63 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -177,8 +177,7 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
}
/* Trigger mount for path component or follow link */
} else if (ino->flags & AUTOFS_INF_PENDING ||
- autofs4_need_mount(flags) ||
- current->link_count) {
+ autofs4_need_mount(flags)) {
DPRINTK("waiting for mount name=%.*s",
dentry->d_name.len, dentry->d_name.name);
@@ -262,7 +261,7 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
spin_unlock(&dcache_lock);
spin_unlock(&sbi->fs_lock);
- status = try_to_fill_dentry(dentry, 0);
+ status = try_to_fill_dentry(dentry, nd->flags);
if (status)
goto out_error;
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