diff options
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/fs/sync.c b/fs/sync.c index f3f0a0e1948..d5369203f8e 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -77,31 +77,18 @@ int sync_filesystem(struct super_block *sb) } EXPORT_SYMBOL_GPL(sync_filesystem); +static void sync_one_sb(struct super_block *sb, void *arg) +{ + if (!(sb->s_flags & MS_RDONLY) && sb->s_bdi) + __sync_filesystem(sb, *(int *)arg); +} /* * Sync all the data for all the filesystems (called by sys_sync() and * emergency sync) */ static void sync_filesystems(int wait) { - struct super_block *sb, *n; - - spin_lock(&sb_lock); - list_for_each_entry_safe(sb, n, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) - continue; - sb->s_count++; - spin_unlock(&sb_lock); - - down_read(&sb->s_umount); - if (!(sb->s_flags & MS_RDONLY) && sb->s_root && sb->s_bdi) - __sync_filesystem(sb, wait); - up_read(&sb->s_umount); - - /* restart only when sb is no longer on the list */ - spin_lock(&sb_lock); - __put_super(sb); - } - spin_unlock(&sb_lock); + iterate_supers(sync_one_sb, &wait); } /* |