diff options
Diffstat (limited to 'fs/gfs2/lops.h')
| -rw-r--r-- | fs/gfs2/lops.h | 48 |
1 files changed, 18 insertions, 30 deletions
diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h index 9ca2e6438419..be740bf33666 100644 --- a/fs/gfs2/lops.h +++ b/fs/gfs2/lops.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) Sistina Software, Inc. 1997-2003 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 - * of the GNU General Public License version 2. */ #ifndef __LOPS_DOT_H__ @@ -13,45 +10,36 @@ #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_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); + +void gfs2_log_incr_head(struct gfs2_sbd *sdp); +u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn); +void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, + struct page *page, unsigned size, unsigned offset, + u64 blkno); +void gfs2_log_submit_bio(struct bio **biop, blk_opf_t opf); +void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); +int gfs2_find_jhead(struct gfs2_jdesc *jd, + struct gfs2_log_header_host *head); +void gfs2_drain_revokes(struct gfs2_sbd *sdp); static inline unsigned int buf_limit(struct gfs2_sbd *sdp) { - unsigned int limit; - - limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64); - return limit; + return sdp->sd_ldptrs; } static inline unsigned int databuf_limit(struct gfs2_sbd *sdp) { - unsigned int limit; - - limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64)); - return limit; + return sdp->sd_ldptrs / 2; } -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, @@ -73,7 +61,7 @@ static inline void lops_before_scan(struct gfs2_jdesc *jd, gfs2_log_ops[x]->lo_before_scan(jd, head, pass); } -static inline int lops_scan_elements(struct gfs2_jdesc *jd, unsigned int start, +static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start, struct gfs2_log_descriptor *ld, __be64 *ptr, unsigned int pass) |