提交 7fbc6df0 编写于 作者: C Christoph Hellwig 提交者: Al Viro

hfsplus: add ->sync_fs

Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 58bc5bbb
......@@ -152,7 +152,7 @@ static void hfsplus_clear_inode(struct inode *inode)
}
}
static void hfsplus_write_super(struct super_block *sb)
static int hfsplus_sync_fs(struct super_block *sb, int wait)
{
struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr;
......@@ -160,9 +160,6 @@ static void hfsplus_write_super(struct super_block *sb)
lock_super(sb);
sb->s_dirt = 0;
if (sb->s_flags & MS_RDONLY)
/* warn? */
goto out;
vhdr->free_blocks = cpu_to_be32(HFSPLUS_SB(sb).free_blocks);
vhdr->next_alloc = cpu_to_be32(HFSPLUS_SB(sb).next_alloc);
......@@ -194,8 +191,16 @@ static void hfsplus_write_super(struct super_block *sb)
}
HFSPLUS_SB(sb).flags &= ~HFSPLUS_SB_WRITEBACKUP;
}
out:
unlock_super(sb);
return 0;
}
static void hfsplus_write_super(struct super_block *sb)
{
if (!(sb->s_flags & MS_RDONLY))
hfsplus_sync_fs(sb, 1);
else
sb->s_dirt = 0;
}
static void hfsplus_put_super(struct super_block *sb)
......@@ -290,6 +295,7 @@ static const struct super_operations hfsplus_sops = {
.clear_inode = hfsplus_clear_inode,
.put_super = hfsplus_put_super,
.write_super = hfsplus_write_super,
.sync_fs = hfsplus_sync_fs,
.statfs = hfsplus_statfs,
.remount_fs = hfsplus_remount,
.show_options = hfsplus_show_options,
......
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