diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/gfs2/glops.c | 14 | ||||
| -rw-r--r-- | fs/gfs2/log.c | 4 | ||||
| -rw-r--r-- | fs/gfs2/lops.c | 3 | ||||
| -rw-r--r-- | fs/gfs2/meta_io.c | 35 | ||||
| -rw-r--r-- | fs/gfs2/trans.c | 10 | ||||
| -rw-r--r-- | fs/gfs2/trans.h | 2 |
6 files changed, 25 insertions, 43 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index b17346a..4670dcb 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -41,7 +41,6 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl) struct list_head *head = &gl->gl_ail_list; struct gfs2_bufdata *bd; struct buffer_head *bh; - u64 blkno; int error; blocks = atomic_read(&gl->gl_ail_count); @@ -57,15 +56,12 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl) bd = list_entry(head->next, struct gfs2_bufdata, bd_ail_gl_list); bh = bd->bd_bh; - blkno = bh->b_blocknr; - gfs2_assert_withdraw(sdp, !buffer_busy(bh)); - gfs2_remove_from_ail(NULL, bd); - gfs2_log_unlock(sdp); - - gfs2_trans_add_revoke(sdp, blkno); - - gfs2_log_lock(sdp); + bd->bd_bh = NULL; + bh->b_private = NULL; + bd->bd_blkno = bh->b_blocknr; + gfs2_assert_withdraw(sdp, !buffer_busy(bh)); + gfs2_trans_add_revoke(sdp, bd); } gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count)); gfs2_log_unlock(sdp); diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 20fa528..4d04e6f 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -71,8 +71,8 @@ unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct, 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); + list_del_init(&bd->bd_ail_st_list); + list_del_init(&bd->bd_ail_gl_list); atomic_dec(&bd->bd_gl->gl_ail_count); if (mapping) gfs2_meta_cache_flush(GFS2_I(mapping->host)); diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 4cbef4c..342c10e 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -343,11 +343,8 @@ static void revoke_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) tr = current->journal_info; tr->tr_touched = 1; tr->tr_num_revoke++; - - gfs2_log_lock(sdp); sdp->sd_log_num_revoke++; list_add(&le->le_list, &sdp->sd_log_le_revoke); - gfs2_log_unlock(sdp); } static void revoke_lo_before_commit(struct gfs2_sbd *sdp) diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index d762e4f..19097bc7 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -313,42 +313,31 @@ void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen) while (blen) { bh = getbuf(ip->i_gl, bstart, NO_CREATE); if (bh) { - struct gfs2_bufdata *bd = bh->b_private; + struct gfs2_bufdata *bd; + lock_buffer(bh); + gfs2_log_lock(sdp); + bd = bh->b_private; if (test_clear_buffer_pinned(bh)) { struct gfs2_trans *tr = current->journal_info; - struct gfs2_inode *bh_ip = - GFS2_I(bh->b_page->mapping->host); - - gfs2_log_lock(sdp); list_del_init(&bd->bd_le.le_list); gfs2_assert_warn(sdp, sdp->sd_log_num_buf); sdp->sd_log_num_buf--; - gfs2_log_unlock(sdp); - if (bh_ip->i_inode.i_private != NULL) - tr->tr_num_databuf_rm++; - else - tr->tr_num_buf_rm++; + tr->tr_num_buf_rm++; brelse(bh); } if (bd) { - gfs2_log_lock(sdp); if (bd->bd_ail) { - u64 blkno = bh->b_blocknr; - 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); - brelse(bh); - gfs2_log_unlock(sdp); - gfs2_trans_add_revoke(sdp, blkno); - } else - gfs2_log_unlock(sdp); + gfs2_remove_from_ail(NULL, bd); + bh->b_private = NULL; + bd->bd_bh = NULL; + bd->bd_blkno = bh->b_blocknr; + gfs2_trans_add_revoke(sdp, bd); + } } - - lock_buffer(bh); clear_buffer_dirty(bh); clear_buffer_uptodate(bh); + gfs2_log_unlock(sdp); unlock_buffer(bh); brelse(bh); diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index 01cc27f..717983e 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -142,12 +142,12 @@ void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta) lops_add(sdp, &bd->bd_le); } -void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, u64 blkno) +void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) { - struct gfs2_bufdata *bd = kmem_cache_alloc(gfs2_bufdata_cachep, - GFP_NOFS | __GFP_NOFAIL); + BUG_ON(!list_empty(&bd->bd_le.le_list)); + BUG_ON(!list_empty(&bd->bd_ail_st_list)); + BUG_ON(!list_empty(&bd->bd_ail_gl_list)); lops_init_le(&bd->bd_le, &gfs2_revoke_lops); - bd->bd_blkno = blkno; lops_add(sdp, &bd->bd_le); } @@ -160,7 +160,7 @@ void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno) list_for_each_entry(bd, &sdp->sd_log_le_revoke, bd_le.le_list) { if (bd->bd_blkno == blkno) { - list_del(&bd->bd_le.le_list); + list_del_init(&bd->bd_le.le_list); gfs2_assert_withdraw(sdp, sdp->sd_log_num_revoke); sdp->sd_log_num_revoke--; found = 1; diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h index 23d4cbe..043d5f4 100644 --- a/fs/gfs2/trans.h +++ b/fs/gfs2/trans.h @@ -32,7 +32,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp); void gfs2_trans_add_gl(struct gfs2_glock *gl); void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta); -void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, u64 blkno); +void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno); void gfs2_trans_add_rg(struct gfs2_rgrpd *rgd); |