projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b3b94faa DT |
1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
| 3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| b3b94faa DT |
4 | * |
| 5 | * This copyrighted material is made available to anyone wishing to use, | |
| 6 | * modify, copy, or redistribute it subject to the terms and conditions | |
| e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
| b3b94faa DT |
8 | */ |
| 9 | ||
| 10 | #ifndef __LOG_DOT_H__ | |
| 11 | #define __LOG_DOT_H__ | |
| 12 | ||
| f2f7ba52 SW |
13 | #include <linux/list.h> |
| 14 | #include <linux/spinlock.h> | |
| 4667a0ec | 15 | #include <linux/writeback.h> |
| f2f7ba52 SW |
16 | #include "incore.h" |
| 17 | ||
| b3b94faa DT |
18 | /** |
| 19 | * gfs2_log_lock - acquire the right to mess with the log manager | |
| 20 | * @sdp: the filesystem | |
| 21 | * | |
| 22 | */ | |
| 23 | ||
| 24 | static inline void gfs2_log_lock(struct gfs2_sbd *sdp) | |
| 2d81afb8 | 25 | __acquires(&sdp->sd_log_lock) |
| b3b94faa DT |
26 | { |
| 27 | spin_lock(&sdp->sd_log_lock); | |
| 28 | } | |
| 29 | ||
| 30 | /** | |
| 31 | * gfs2_log_unlock - release the right to mess with the log manager | |
| 32 | * @sdp: the filesystem | |
| 33 | * | |
| 34 | */ | |
| 35 | ||
| 36 | static inline void gfs2_log_unlock(struct gfs2_sbd *sdp) | |
| 2d81afb8 | 37 | __releases(&sdp->sd_log_lock) |
| b3b94faa DT |
38 | { |
| 39 | spin_unlock(&sdp->sd_log_lock); | |
| 40 | } | |
| 41 | ||
| 42 | static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp, | |
| 43 | unsigned int value) | |
| 44 | { | |
| 45 | if (++value == sdp->sd_jdesc->jd_blocks) { | |
| 46 | value = 0; | |
| b3b94faa DT |
47 | } |
| 48 | sdp->sd_log_head = sdp->sd_log_tail = value; | |
| 49 | } | |
| 50 | ||
| 45138990 SW |
51 | static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip) |
| 52 | { | |
| 53 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); | |
| 54 | ||
| 55 | if (!test_bit(GIF_ORDERED, &ip->i_flags)) { | |
| 56 | spin_lock(&sdp->sd_ordered_lock); | |
| 57 | if (!test_and_set_bit(GIF_ORDERED, &ip->i_flags)) | |
| 58 | list_add(&ip->i_ordered, &sdp->sd_log_le_ordered); | |
| 59 | spin_unlock(&sdp->sd_ordered_lock); | |
| 60 | } | |
| 61 | } | |
| 62 | extern void gfs2_ordered_del_inode(struct gfs2_inode *ip); | |
| ed4878e8 | 63 | extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct, |
| b3b94faa DT |
64 | unsigned int ssize); |
| 65 | ||
| ed4878e8 | 66 | extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks); |
| ed4878e8 BP |
67 | extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl); |
| 68 | extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans); | |
| 69 | extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd); | |
| 4667a0ec | 70 | extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc); |
| 2bcd610d | 71 | |
| ed4878e8 BP |
72 | extern void gfs2_log_shutdown(struct gfs2_sbd *sdp); |
| 73 | extern void gfs2_meta_syncfs(struct gfs2_sbd *sdp); | |
| 74 | extern int gfs2_logd(void *data); | |
| 5d054964 BM |
75 | extern void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); |
| 76 | extern void gfs2_write_revokes(struct gfs2_sbd *sdp); | |
| b3b94faa DT |
77 | |
| 78 | #endif /* __LOG_DOT_H__ */ |