use ->d_lock instead of dcache_lock in vfat_revalidate (2/6)

PATCH New OGAWA Hirofumi 1 participant 1 message Oct 6, 2003

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OGAWA Hirofumi

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2003-10-06 16:56 UTC #0 lore raw

PATCH 1/1 use ->d_lock instead of dcache_lock in vfat_revalidate (2/6)

Hi,

This uses more fine granularity ->d_lock than ->dcache_lock for ->d_parent with d_move() race.

Please apply.

 linux-2.6.0-test6-hirofumi/fs/vfat/namei.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

fs/vfat/namei.c renamed from fs/vfat/namei.c~fat_d_lock-for-d_move +2 -2

diff -puN fs/vfat/namei.c~fat_d_lock-for-d_move fs/vfat/namei.c
@@ -82,10 +82,10 @@ static int vfat_revalidate(struct dentry
 		 */
 		ret = 0;
 	else {
-		spin_lock(&dcache_lock);
+		spin_lock(&dentry->d_lock);
 		if (dentry->d_time != dentry->d_parent->d_inode->i_version)
 			ret = 0;
-		spin_unlock(&dcache_lock);
+		spin_unlock(&dentry->d_lock);
 	}
 	return ret;
 }

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OGAWA Hirofumi <[email protected]>