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SubjectRe: [PATCH v2 4/4] ext4: weed out ext4_write_super
On Mon 02-04-12 14:45:40, Artem Bityutskiy wrote:
> From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
>
> We do not depend on VFS's '->write_super()' anymore and do not need the
> 's_dirt' flag anymore. This patch weeds out 'ext4_write_super()' and the
> 's_dirt' usage in VFS.
>
> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Looks good.
Reviewed-by: Jan Kara <jack@suse.cz>

Honza
> ---
> fs/ext4/super.c | 10 ----------
> 1 files changed, 0 insertions(+), 10 deletions(-)
>
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 6b45785..0818eef 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -73,7 +73,6 @@ static const char *ext4_decode_error(struct super_block *sb, int errno,
> static int ext4_remount(struct super_block *sb, int *flags, char *data);
> static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf);
> static int ext4_unfreeze(struct super_block *sb);
> -static void ext4_write_super(struct super_block *sb);
> static int ext4_freeze(struct super_block *sb);
> static struct dentry *ext4_mount(struct file_system_type *fs_type, int flags,
> const char *dev_name, void *data);
> @@ -1148,7 +1147,6 @@ static const struct super_operations ext4_nojournal_sops = {
> .dirty_inode = ext4_dirty_inode,
> .drop_inode = ext4_drop_inode,
> .evict_inode = ext4_evict_inode,
> - .write_super = ext4_write_super,
> .put_super = ext4_put_super,
> .statfs = ext4_statfs,
> .remount_fs = ext4_remount,
> @@ -4038,7 +4036,6 @@ int ext4_commit_super(struct super_block *sb, int sync)
> es->s_free_inodes_count =
> cpu_to_le32(percpu_counter_sum_positive(
> &EXT4_SB(sb)->s_freeinodes_counter));
> - sb->s_dirt = 0;
> BUFFER_TRACE(sbh, "marking dirty");
> mark_buffer_dirty(sbh);
> if (sync) {
> @@ -4144,13 +4141,6 @@ int ext4_force_commit(struct super_block *sb)
> return ret;
> }
>
> -static void ext4_write_super(struct super_block *sb)
> -{
> - lock_super(sb);
> - ext4_commit_super(sb, 1);
> - unlock_super(sb);
> -}
> -
> static int ext4_sync_fs(struct super_block *sb, int wait)
> {
> int ret = 0;
> --
> 1.7.7.6
>
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR


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