AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

jffs2: use mutex_is_locked() in __jffs2_flush_wbuf()

Browse Source 
Use a helper to test if a mutex is held instead of a hack with
mutex_trylock().

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>
This commit is contained in:
Alexey Khoroshilov 2011-06-28 00:21:30 +04:00 committed by Artem Bityutskiy
parent 9786f6e68a
commit 51b11e3630
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/jffs2/wbuf.c
View File

@ -578,8 +578,7 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad)
if (!jffs2_is_writebuffered(c))
return 0;
if (mutex_trylock(&c->alloc_sem)) {
mutex_unlock(&c->alloc_sem);
if (!mutex_is_locked(&c->alloc_sem)) {
printk(KERN_CRIT "jffs2_flush_wbuf() called with alloc_sem not locked!\n");
BUG();
}