[GFS2] split and annotate gfs2_log_head [7/70]

From: Steven Whitehouse
Date: Thu Nov 30 2006 - 07:14:26 EST


>From 551676226163379c217e8ec54bd287eab9b8521e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Fri, 13 Oct 2006 21:47:13 -0400
Subject: [PATCH] [GFS2] split and annotate gfs2_log_head

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Steven Whitehouse <swhiteho@xxxxxxxxxx>
---
fs/gfs2/glops.c | 2 +-
fs/gfs2/incore.h | 2 +-
fs/gfs2/lops.c | 4 ++--
fs/gfs2/lops.h | 2 +-
fs/gfs2/ondisk.c | 2 +-
fs/gfs2/recovery.c | 22 +++++++++++-----------
fs/gfs2/recovery.h | 2 +-
fs/gfs2/super.c | 4 ++--
include/linux/gfs2_ondisk.h | 12 +++++++++++-
9 files changed, 31 insertions(+), 21 deletions(-)

diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 41a6b68..5406b19 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -491,7 +491,7 @@ static void trans_go_xmote_bh(struct gfs
struct gfs2_sbd *sdp = gl->gl_sbd;
struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);
struct gfs2_glock *j_gl = ip->i_gl;
- struct gfs2_log_header head;
+ struct gfs2_log_header_host head;
int error;

if (gl->gl_state != LM_ST_UNLOCKED &&
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 8ca7a7f..e69f339 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -41,7 +41,7 @@ struct gfs2_log_operations {
void (*lo_before_commit) (struct gfs2_sbd *sdp);
void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai);
void (*lo_before_scan) (struct gfs2_jdesc *jd,
- struct gfs2_log_header *head, int pass);
+ struct gfs2_log_header_host *head, int pass);
int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start,
struct gfs2_log_descriptor *ld, __be64 *ptr,
int pass);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index ab6d111..8a654cd 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -182,7 +182,7 @@ static void buf_lo_after_commit(struct g
}

static void buf_lo_before_scan(struct gfs2_jdesc *jd,
- struct gfs2_log_header *head, int pass)
+ struct gfs2_log_header_host *head, int pass)
{
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);

@@ -328,7 +328,7 @@ static void revoke_lo_before_commit(stru
}

static void revoke_lo_before_scan(struct gfs2_jdesc *jd,
- struct gfs2_log_header *head, int pass)
+ struct gfs2_log_header_host *head, int pass)
{
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);

diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h
index 5839c05..965bc65 100644
--- a/fs/gfs2/lops.h
+++ b/fs/gfs2/lops.h
@@ -60,7 +60,7 @@ static inline void lops_after_commit(str
}

static inline void lops_before_scan(struct gfs2_jdesc *jd,
- struct gfs2_log_header *head,
+ struct gfs2_log_header_host *head,
unsigned int pass)
{
int x;
diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c
index 64f5f0c..84b1ebc 100644
--- a/fs/gfs2/ondisk.c
+++ b/fs/gfs2/ondisk.c
@@ -251,7 +251,7 @@ void gfs2_dinode_print(const struct gfs2
printk(KERN_INFO " di_eattr = %llu\n", (unsigned long long)di->di_eattr);
}

-void gfs2_log_header_in(struct gfs2_log_header *lh, const void *buf)
+void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf)
{
const struct gfs2_log_header *str = buf;

diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 62cd223..4478162 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -132,10 +132,10 @@ void gfs2_revoke_clean(struct gfs2_sbd *
*/

static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk,
- struct gfs2_log_header *head)
+ struct gfs2_log_header_host *head)
{
struct buffer_head *bh;
- struct gfs2_log_header lh;
+ struct gfs2_log_header_host lh;
u32 hash;
int error;

@@ -143,7 +143,7 @@ static int get_log_header(struct gfs2_jd
if (error)
return error;

- memcpy(&lh, bh->b_data, sizeof(struct gfs2_log_header));
+ memcpy(&lh, bh->b_data, sizeof(struct gfs2_log_header)); /* XXX */
lh.lh_hash = 0;
hash = gfs2_disk_hash((char *)&lh, sizeof(struct gfs2_log_header));
gfs2_log_header_in(&lh, bh->b_data);
@@ -174,7 +174,7 @@ static int get_log_header(struct gfs2_jd
*/

static int find_good_lh(struct gfs2_jdesc *jd, unsigned int *blk,
- struct gfs2_log_header *head)
+ struct gfs2_log_header_host *head)
{
unsigned int orig_blk = *blk;
int error;
@@ -205,10 +205,10 @@ static int find_good_lh(struct gfs2_jdes
* Returns: errno
*/

-static int jhead_scan(struct gfs2_jdesc *jd, struct gfs2_log_header *head)
+static int jhead_scan(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head)
{
unsigned int blk = head->lh_blkno;
- struct gfs2_log_header lh;
+ struct gfs2_log_header_host lh;
int error;

for (;;) {
@@ -245,9 +245,9 @@ static int jhead_scan(struct gfs2_jdesc
* Returns: errno
*/

-int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header *head)
+int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head)
{
- struct gfs2_log_header lh_1, lh_m;
+ struct gfs2_log_header_host lh_1, lh_m;
u32 blk_1, blk_2, blk_m;
int error;

@@ -320,7 +320,7 @@ static int foreach_descriptor(struct gfs
length = be32_to_cpu(ld->ld_length);

if (be32_to_cpu(ld->ld_header.mh_type) == GFS2_METATYPE_LH) {
- struct gfs2_log_header lh;
+ struct gfs2_log_header_host lh;
error = get_log_header(jd, start, &lh);
if (!error) {
gfs2_replay_incr_blk(sdp, &start);
@@ -363,7 +363,7 @@ static int foreach_descriptor(struct gfs
* Returns: errno
*/

-static int clean_journal(struct gfs2_jdesc *jd, struct gfs2_log_header *head)
+static int clean_journal(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head)
{
struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);
@@ -425,7 +425,7 @@ int gfs2_recover_journal(struct gfs2_jde
{
struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);
- struct gfs2_log_header head;
+ struct gfs2_log_header_host head;
struct gfs2_holder j_gh, ji_gh, t_gh;
unsigned long t;
int ro = 0;
diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h
index 961feed..f7235e6 100644
--- a/fs/gfs2/recovery.h
+++ b/fs/gfs2/recovery.h
@@ -26,7 +26,7 @@ int gfs2_revoke_check(struct gfs2_sbd *s
void gfs2_revoke_clean(struct gfs2_sbd *sdp);

int gfs2_find_jhead(struct gfs2_jdesc *jd,
- struct gfs2_log_header *head);
+ struct gfs2_log_header_host *head);
int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
void gfs2_check_journals(struct gfs2_sbd *sdp);

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 52aa322..0faf563 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -508,7 +508,7 @@ int gfs2_make_fs_rw(struct gfs2_sbd *sdp
struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);
struct gfs2_glock *j_gl = ip->i_gl;
struct gfs2_holder t_gh;
- struct gfs2_log_header head;
+ struct gfs2_log_header_host head;
int error;

error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED,
@@ -873,7 +873,7 @@ static int gfs2_lock_fs_check_clean(stru
struct gfs2_jdesc *jd;
struct lfcc *lfcc;
LIST_HEAD(list);
- struct gfs2_log_header lh;
+ struct gfs2_log_header_host lh;
int error;

error = gfs2_jindex_hold(sdp, &ji_gh);
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index c035587..fb69a64 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -405,6 +405,16 @@ struct gfs2_log_header {
__be32 lh_hash;
};

+struct gfs2_log_header_host {
+ struct gfs2_meta_header lh_header;
+
+ __u64 lh_sequence; /* Sequence number of this transaction */
+ __u32 lh_flags; /* GFS2_LOG_HEAD_... */
+ __u32 lh_tail; /* Block number of log tail */
+ __u32 lh_blkno;
+ __u32 lh_hash;
+};
+
/*
* Log type descriptor
*/
@@ -492,7 +502,7 @@ extern void gfs2_dinode_in(struct gfs2_d
extern void gfs2_dinode_out(const struct gfs2_dinode_host *di, void *buf);
extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, const void *buf);
extern void gfs2_ea_header_out(const struct gfs2_ea_header *ea, void *buf);
-extern void gfs2_log_header_in(struct gfs2_log_header *lh, const void *buf);
+extern void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf);
extern void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf);
extern void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf);
extern void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf);
--
1.4.1



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