diff options
| author | Christoph Hellwig <hch@lst.de> | 2009-06-08 10:07:45 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-11 21:36:16 -0400 |
| commit | ad43ffdeea0a7bd3e6036c4aeec2e6699aef8ac7 (patch) | |
| tree | dcab8568dca72f130287dbe356c0fe0d7afe4ab7 /fs/sysv | |
| parent | 7fbc6df0e7a561a313f49faa77829d5de45a97f8 (diff) | |
sysv: add ->sync_fs
Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/sysv')
| -rw-r--r-- | fs/sysv/inode.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 425c976cfcd2..479923456a54 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -31,16 +31,13 @@ #include <asm/byteorder.h> #include "sysv.h" -/* This is only called on sync() and umount(), when s_dirt=1. */ -static void sysv_write_super(struct super_block *sb) +static int sysv_sync_fs(struct super_block *sb, int wait) { struct sysv_sb_info *sbi = SYSV_SB(sb); unsigned long time = get_seconds(), old_time; lock_super(sb); lock_kernel(); - if (sb->s_flags & MS_RDONLY) - goto clean; /* * If we are going to write out the super block, @@ -54,10 +51,19 @@ static void sysv_write_super(struct super_block *sb) *sbi->s_sb_time = cpu_to_fs32(sbi, time); mark_buffer_dirty(sbi->s_bh2); } -clean: - sb->s_dirt = 0; + unlock_kernel(); unlock_super(sb); + + return 0; +} + +static void sysv_write_super(struct super_block *sb) +{ + if (!(sb->s_flags & MS_RDONLY)) + sysv_sync_fs(sb, 1); + else + sb->s_dirt = 0; } static int sysv_remount(struct super_block *sb, int *flags, char *data) @@ -345,6 +351,7 @@ const struct super_operations sysv_sops = { .delete_inode = sysv_delete_inode, .put_super = sysv_put_super, .write_super = sysv_write_super, + .sync_fs = sysv_sync_fs, .remount_fs = sysv_remount, .statfs = sysv_statfs, }; |