diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-10-21 16:46:04 +0100 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2006-10-21 16:46:04 +0100 |
commit | 513b046c96cc2fbce730a3474f6f7ff0c4fdd05c (patch) | |
tree | e8006368b6f643067486f92405a404757807d6da /fs/gfs2/lops.h | |
parent | 82810b7b6cc7a74c68881a13b0eb66c7a6370fcc (diff) | |
parent | c7a3bd177f248d01ee18a01d22048c80e071c331 (diff) | |
download | talos-op-linux-513b046c96cc2fbce730a3474f6f7ff0c4fdd05c.tar.gz talos-op-linux-513b046c96cc2fbce730a3474f6f7ff0c4fdd05c.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/gfs2/lops.h')
-rw-r--r-- | fs/gfs2/lops.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h new file mode 100644 index 000000000000..5839c05ae6be --- /dev/null +++ b/fs/gfs2/lops.h @@ -0,0 +1,99 @@ +/* + * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. + * Copyright (C) 2004-2006 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__ +#define __LOPS_DOT_H__ + +#include <linux/list.h> +#include "incore.h" + +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[]; + +static inline void lops_init_le(struct gfs2_log_element *le, + const struct gfs2_log_operations *lops) +{ + INIT_LIST_HEAD(&le->le_list); + le->le_ops = lops; +} + +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); +} + +static inline void lops_incore_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_incore_commit) + gfs2_log_ops[x]->lo_incore_commit(sdp, tr); +} + +static inline void lops_before_commit(struct gfs2_sbd *sdp) +{ + 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); +} + +static inline void lops_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) +{ + 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); +} + +static inline void lops_before_scan(struct gfs2_jdesc *jd, + struct gfs2_log_header *head, + unsigned int pass) +{ + int x; + for (x = 0; gfs2_log_ops[x]; x++) + if (gfs2_log_ops[x]->lo_before_scan) + gfs2_log_ops[x]->lo_before_scan(jd, head, pass); +} + +static inline int lops_scan_elements(struct gfs2_jdesc *jd, unsigned int start, + struct gfs2_log_descriptor *ld, + __be64 *ptr, + unsigned int pass) +{ + int x, error; + for (x = 0; gfs2_log_ops[x]; x++) + if (gfs2_log_ops[x]->lo_scan_elements) { + error = gfs2_log_ops[x]->lo_scan_elements(jd, start, + ld, ptr, pass); + if (error) + return error; + } + + return 0; +} + +static inline void lops_after_scan(struct gfs2_jdesc *jd, int error, + unsigned int pass) +{ + int x; + for (x = 0; gfs2_log_ops[x]; x++) + if (gfs2_log_ops[x]->lo_before_scan) + gfs2_log_ops[x]->lo_after_scan(jd, error, pass); +} + +#endif /* __LOPS_DOT_H__ */ + |