* [PATCH 02/17] fs_is_visible only needs namespace_sem held shared
@ 2013-10-03 6:17 Al Viro
0 siblings, 0 replies; only message in thread
From: Al Viro @ 2013-10-03 6:17 UTC (permalink / raw)
To: torvalds; +Cc: linux-fsdevel, linux-kernel
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namespace.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index 6d73d3a..f6b7010 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2873,7 +2873,7 @@ bool fs_fully_visible(struct file_system_type *type)
if (unlikely(!ns))
return false;
- namespace_lock();
+ down_read(&namespace_sem);
list_for_each_entry(mnt, &ns->list, mnt_list) {
struct mount *child;
if (mnt->mnt.mnt_sb->s_type != type)
@@ -2894,7 +2894,7 @@ bool fs_fully_visible(struct file_system_type *type)
next: ;
}
found:
- namespace_unlock();
+ up_read(&namespace_sem);
return visible;
}
--
1.7.2.5
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