From 1e1a3d03e927d39282208aed676e49d25129feea Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 27 Aug 2007 09:45:26 +0100 Subject: [GFS2] Introduce gfs2_remove_from_ail This collects together the operations required to remove a gfs2_bufdata from the ail lists. Its only called from two places to start with, but expect to see more of this function in future. Signed-off-by: Steven Whitehouse --- fs/gfs2/log.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) (limited to 'fs/gfs2/log.c') diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index d0e6b42c86e..d8232ec2539 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -59,6 +59,26 @@ unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct, return blks; } +/** + * gfs2_remove_from_ail - Remove an entry from the ail lists, updating counters + * @mapping: The associated mapping (maybe NULL) + * @bd: The gfs2_bufdata to remove + * + * The log lock _must_ be held when calling this function + * + */ + +void gfs2_remove_from_ail(struct address_space *mapping, struct gfs2_bufdata *bd) +{ + bd->bd_ail = NULL; + list_del(&bd->bd_ail_st_list); + list_del(&bd->bd_ail_gl_list); + atomic_dec(&bd->bd_gl->gl_ail_count); + if (mapping) + gfs2_meta_cache_flush(GFS2_I(mapping->host)); + brelse(bd->bd_bh); +} + /** * gfs2_ail1_start_one - Start I/O on a part of the AIL * @sdp: the filesystem @@ -219,21 +239,12 @@ static void gfs2_ail2_empty_one(struct gfs2_sbd *sdp, struct gfs2_ail *ai) { struct list_head *head = &ai->ai_ail2_list; struct gfs2_bufdata *bd; - struct gfs2_inode *bh_ip; while (!list_empty(head)) { bd = list_entry(head->prev, struct gfs2_bufdata, bd_ail_st_list); gfs2_assert(sdp, bd->bd_ail == ai); - bd->bd_ail = NULL; - list_del(&bd->bd_ail_st_list); - list_del(&bd->bd_ail_gl_list); - atomic_dec(&bd->bd_gl->gl_ail_count); - if (bd->bd_bh->b_page->mapping) { - bh_ip = GFS2_I(bd->bd_bh->b_page->mapping->host); - gfs2_meta_cache_flush(bh_ip); - } - brelse(bd->bd_bh); + gfs2_remove_from_ail(bd->bd_bh->b_page->mapping, bd); } } -- cgit v1.2.3