commit 97461518610fb1679f67333bb699bb81136e49fe
author Arjan van de Ven <arjan@infradead.org> Thu Mar 23 03:00:42 2006 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> Thu Mar 23 07:38:14 2006 -0800
tree 483fcaf10744a96ad9fced97910fa75610c3fcdb
parent 7bf6d78dd93ccc52cd2cac5066c4b84834e4f1f2

[PATCH] convert ext3's truncate_sem to a mutex

ext3's truncate_sem is always released in the same function it's taken
and it otherwise is a mutex as well..

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/ext3/file.c

diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 98e7834..59098ea 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -37,9 +37,9 @@
 	if ((filp->f_mode & FMODE_WRITE) &&
 			(atomic_read(&inode->i_writecount) == 1))
 	{
-		down(&EXT3_I(inode)->truncate_sem);
+		mutex_lock(&EXT3_I(inode)->truncate_mutex);
 		ext3_discard_reservation(inode);
-		up(&EXT3_I(inode)->truncate_sem);
+		mutex_unlock(&EXT3_I(inode)->truncate_mutex);
 	}
 	if (is_dx(inode) && filp->private_data)
 		ext3_htree_free_dir_info(filp->private_data);