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[GFS2] Fix incorrect fs sync behaviour. 

This adds a sync_fs superblock operation for GFS2 and removes
the journal flush from write_super in favour of sync_fs where it
ought to be. This is more or less identical to the way in which ext3
does this.

This bug was pointed out by Russell Cattelan <cattelan@redhat.com>

Cc: Russell Cattelan <cattelan@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2006-11-01 09:57:57 -05:00
parent eb1dc33aa2
commit 4a221953ed
1 changed files with 28 additions and 16 deletions
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44
fs/gfs2/ops_super.c
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@ -138,16 +138,27 @@ static void gfs2_put_super(struct super_block *sb)
}
/**
* gfs2_write_super - disk commit all incore transactions
* @sb: the filesystem
* gfs2_write_super
* @sb: the superblock
*
* This function is called every time sync(2) is called.
* After this exits, all dirty buffers are synced.
*/
static void gfs2_write_super(struct super_block *sb)
{
sb->s_dirt = 0;
}
/**
* gfs2_sync_fs - sync the filesystem
* @sb: the superblock
*
* Flushes the log to disk.
*/
static int gfs2_sync_fs(struct super_block *sb, int wait)
{
sb->s_dirt = 0;
gfs2_log_flush(sb->s_fs_info, NULL);
return 0;
}
/**
@ -452,17 +463,18 @@ static void gfs2_destroy_inode(struct inode *inode)
}
struct super_operations gfs2_super_ops = {
.alloc_inode = gfs2_alloc_inode,
.destroy_inode = gfs2_destroy_inode,
.write_inode = gfs2_write_inode,
.delete_inode = gfs2_delete_inode,
.put_super = gfs2_put_super,
.write_super = gfs2_write_super,
.write_super_lockfs = gfs2_write_super_lockfs,
.unlockfs = gfs2_unlockfs,
.statfs = gfs2_statfs,
.remount_fs = gfs2_remount_fs,
.clear_inode = gfs2_clear_inode,
.show_options = gfs2_show_options,
.alloc_inode = gfs2_alloc_inode,
.destroy_inode = gfs2_destroy_inode,
.write_inode = gfs2_write_inode,
.delete_inode = gfs2_delete_inode,
.put_super = gfs2_put_super,
.write_super = gfs2_write_super,
.sync_fs = gfs2_sync_fs,
.write_super_lockfs = gfs2_write_super_lockfs,
.unlockfs = gfs2_unlockfs,
.statfs = gfs2_statfs,
.remount_fs = gfs2_remount_fs,
.clear_inode = gfs2_clear_inode,
.show_options = gfs2_show_options,
};