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[V9fs-developer,RFC,-V2,09/17] fs/9p: Mark file system with MS_SYNCHRONOUS only if it is not cached mode

Message ID 1296928005-9529-10-git-send-email-aneesh.kumar@linux.vnet.ibm.com (mailing list archive)
State RFC, archived
Delegated to: Eric Van Hensbergen
Headers show

Commit Message

Aneesh Kumar K.V Feb. 5, 2011, 5:46 p.m. UTC 
None
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Patch

diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index dbaabe3..76e11e8 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -87,8 +87,9 @@  v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses,
 		sb->s_op = &v9fs_super_ops;
 	sb->s_bdi = &v9ses->bdi;
 
-	sb->s_flags = flags | MS_ACTIVE | MS_SYNCHRONOUS | MS_DIRSYNC |
-	    MS_NOATIME;
+	sb->s_flags = flags | MS_ACTIVE | MS_DIRSYNC | MS_NOATIME;
+	if (!v9ses->cache)
+		sb->s_flags |= MS_SYNCHRONOUS;
 
 #ifdef CONFIG_9P_FS_POSIX_ACL
 	if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_CLIENT)