diff options
Diffstat (limited to 'fs/gfs2/lops.h')
| -rw-r--r-- | fs/gfs2/lops.h | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h index 965bc65c7c6..a65a7ba32ff 100644 --- a/fs/gfs2/lops.h +++ b/fs/gfs2/lops.h @@ -1,6 +1,6 @@ /* * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. + * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions @@ -13,50 +13,55 @@ #include <linux/list.h> #include "incore.h" +#define BUF_OFFSET \ + ((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \ + ~(sizeof(__be64) - 1)) +#define DATABUF_OFFSET \ + ((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \ + ~(2 * sizeof(__be64) - 1)) + extern const struct gfs2_log_operations gfs2_glock_lops; extern const struct gfs2_log_operations gfs2_buf_lops; extern const struct gfs2_log_operations gfs2_revoke_lops; -extern const struct gfs2_log_operations gfs2_rg_lops; extern const struct gfs2_log_operations gfs2_databuf_lops; extern const struct gfs2_log_operations *gfs2_log_ops[]; +extern void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page); +extern void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw); +extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); -static inline void lops_init_le(struct gfs2_log_element *le, - const struct gfs2_log_operations *lops) +static inline unsigned int buf_limit(struct gfs2_sbd *sdp) { - INIT_LIST_HEAD(&le->le_list); - le->le_ops = lops; -} + unsigned int limit; -static inline void lops_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) -{ - if (le->le_ops->lo_add) - le->le_ops->lo_add(sdp, le); + limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64); + return limit; } -static inline void lops_incore_commit(struct gfs2_sbd *sdp, - struct gfs2_trans *tr) +static inline unsigned int databuf_limit(struct gfs2_sbd *sdp) { - int x; - for (x = 0; gfs2_log_ops[x]; x++) - if (gfs2_log_ops[x]->lo_incore_commit) - gfs2_log_ops[x]->lo_incore_commit(sdp, tr); + unsigned int limit; + + limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64)); + return limit; } -static inline void lops_before_commit(struct gfs2_sbd *sdp) +static inline void lops_before_commit(struct gfs2_sbd *sdp, + struct gfs2_trans *tr) { int x; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_before_commit) - gfs2_log_ops[x]->lo_before_commit(sdp); + gfs2_log_ops[x]->lo_before_commit(sdp, tr); } -static inline void lops_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) +static inline void lops_after_commit(struct gfs2_sbd *sdp, + struct gfs2_trans *tr) { int x; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_after_commit) - gfs2_log_ops[x]->lo_after_commit(sdp, ai); + gfs2_log_ops[x]->lo_after_commit(sdp, tr); } static inline void lops_before_scan(struct gfs2_jdesc *jd, |