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| author | Christoph Hellwig <hch@lst.de> | 2009-06-08 10:08:05 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-11 21:36:16 -0400 |
| commit | 8c8006564a58d0ea912bf7f2d0a758d97e4b464f (patch) | |
| tree | 696dd67b5b2c3e303fe17bf992ced9ccb4b34806 | |
| parent | ad43ffdeea0a7bd3e6036c4aeec2e6699aef8ac7 (diff) | |
| download | blackbird-obmc-linux-8c8006564a58d0ea912bf7f2d0a758d97e4b464f.tar.gz blackbird-obmc-linux-8c8006564a58d0ea912bf7f2d0a758d97e4b464f.zip | |
ufs: 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>
| -rw-r--r-- | fs/ufs/super.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 6560dda7b18c..5faed7954d0a 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -1125,7 +1125,7 @@ failed_nomem: return -ENOMEM; } -static void ufs_write_super(struct super_block *sb) +static int ufs_sync_fs(struct super_block *sb, int wait) { struct ufs_sb_private_info * uspi; struct ufs_super_block_first * usb1; @@ -1134,25 +1134,36 @@ static void ufs_write_super(struct super_block *sb) lock_super(sb); lock_kernel(); + UFSD("ENTER\n"); + flags = UFS_SB(sb)->s_flags; uspi = UFS_SB(sb)->s_uspi; usb1 = ubh_get_usb_first(uspi); usb3 = ubh_get_usb_third(uspi); - if (!(sb->s_flags & MS_RDONLY)) { - usb1->fs_time = cpu_to_fs32(sb, get_seconds()); - if ((flags & UFS_ST_MASK) == UFS_ST_SUN - || (flags & UFS_ST_MASK) == UFS_ST_SUNOS - || (flags & UFS_ST_MASK) == UFS_ST_SUNx86) - ufs_set_fs_state(sb, usb1, usb3, - UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); - ufs_put_cstotal(sb); - } + usb1->fs_time = cpu_to_fs32(sb, get_seconds()); + if ((flags & UFS_ST_MASK) == UFS_ST_SUN || + (flags & UFS_ST_MASK) == UFS_ST_SUNOS || + (flags & UFS_ST_MASK) == UFS_ST_SUNx86) + ufs_set_fs_state(sb, usb1, usb3, + UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); + ufs_put_cstotal(sb); sb->s_dirt = 0; + UFSD("EXIT\n"); unlock_kernel(); unlock_super(sb); + + return 0; +} + +static void ufs_write_super(struct super_block *sb) +{ + if (!(sb->s_flags & MS_RDONLY)) + ufs_sync_fs(sb, 1); + else + sb->s_dirt = 0; } static void ufs_put_super(struct super_block *sb) @@ -1381,6 +1392,7 @@ static const struct super_operations ufs_super_ops = { .delete_inode = ufs_delete_inode, .put_super = ufs_put_super, .write_super = ufs_write_super, + .sync_fs = ufs_sync_fs, .statfs = ufs_statfs, .remount_fs = ufs_remount, .show_options = ufs_show_options, |
