From bc65ac6a0ffc66c56d1e6893685d7fe87c63cc44 Mon Sep 17 00:00:00 2001
From: Josh Triplett <josht@us.ibm.com>
Date: Sun, 30 Jul 2006 03:04:12 -0700
Subject: [PATCH] [PATCH] freevxfs: Add missing lock_kernel() to vxfs_readdir
Commit 7b2fd697427e73c81d5fa659efd91bd07d303b0e in the historical GIT tree
stopped calling the readdir member of a file_operations struct with the big
kernel lock held, and fixed up all the readdir functions to do their own
locking. However, that change added calls to unlock_kernel() in
vxfs_readdir, but no call to lock_kernel(). Fix this by adding a call to
lock_kernel().
Signed-off-by: Josh Triplett <josh@freedesktop.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
fs/freevxfs/vxfs_lookup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index 29cce456c7ce..43886fa00a2a 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -246,6 +246,8 @@ vxfs_readdir(struct file *fp, void *retp, filldir_t filler)
u_long page, npages, block, pblocks, nblocks, offset;
loff_t pos;
+ lock_kernel();
+
switch ((long)fp->f_pos) {
case 0:
if (filler(retp, ".", 1, fp->f_pos, ip->i_ino, DT_DIR) < 0)
--
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