aboutsummaryrefslogtreecommitdiff
path: root/fs/gfs2/recovery.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/gfs2/recovery.c')
-rw-r--r--fs/gfs2/recovery.c116
1 files changed, 56 insertions, 60 deletions
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 4b9bece3d43..94555d4c569 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -14,7 +14,6 @@
#include <linux/buffer_head.h>
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
-#include <linux/slow-work.h>
#include "gfs2.h"
#include "incore.h"
@@ -28,6 +27,8 @@
#include "util.h"
#include "dir.h"
+struct workqueue_struct *gfs_recovery_wq;
+
int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
struct buffer_head **bh)
{
@@ -51,9 +52,9 @@ int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
return error;
}
-int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where)
+int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)
{
- struct list_head *head = &sdp->sd_revoke_list;
+ struct list_head *head = &jd->jd_revoke_list;
struct gfs2_revoke_replay *rr;
int found = 0;
@@ -80,13 +81,13 @@ int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where)
return 1;
}
-int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where)
+int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)
{
struct gfs2_revoke_replay *rr;
int wrap, a, b, revoke;
int found = 0;
- list_for_each_entry(rr, &sdp->sd_revoke_list, rr_list) {
+ list_for_each_entry(rr, &jd->jd_revoke_list, rr_list) {
if (rr->rr_blkno == blkno) {
found = 1;
break;
@@ -96,17 +97,17 @@ int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where)
if (!found)
return 0;
- wrap = (rr->rr_where < sdp->sd_replay_tail);
- a = (sdp->sd_replay_tail < where);
+ wrap = (rr->rr_where < jd->jd_replay_tail);
+ a = (jd->jd_replay_tail < where);
b = (where < rr->rr_where);
revoke = (wrap) ? (a || b) : (a && b);
return revoke;
}
-void gfs2_revoke_clean(struct gfs2_sbd *sdp)
+void gfs2_revoke_clean(struct gfs2_jdesc *jd)
{
- struct list_head *head = &sdp->sd_revoke_list;
+ struct list_head *head = &jd->jd_revoke_list;
struct gfs2_revoke_replay *rr;
while (!list_empty(head)) {
@@ -435,46 +436,36 @@ static void gfs2_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
char env_status[20];
char *envp[] = { env_jid, env_status, NULL };
struct lm_lockstruct *ls = &sdp->sd_lockstruct;
+
ls->ls_recover_jid_done = jid;
ls->ls_recover_jid_status = message;
sprintf(env_jid, "JID=%d", jid);
sprintf(env_status, "RECOVERY=%s",
message == LM_RD_SUCCESS ? "Done" : "Failed");
kobject_uevent_env(&sdp->sd_kobj, KOBJ_CHANGE, envp);
-}
-
-static int gfs2_recover_get_ref(struct slow_work *work)
-{
- struct gfs2_jdesc *jd = container_of(work, struct gfs2_jdesc, jd_work);
- if (test_and_set_bit(JDF_RECOVERY, &jd->jd_flags))
- return -EBUSY;
- return 0;
-}
-static void gfs2_recover_put_ref(struct slow_work *work)
-{
- struct gfs2_jdesc *jd = container_of(work, struct gfs2_jdesc, jd_work);
- clear_bit(JDF_RECOVERY, &jd->jd_flags);
- smp_mb__after_clear_bit();
- wake_up_bit(&jd->jd_flags, JDF_RECOVERY);
+ if (sdp->sd_lockstruct.ls_ops->lm_recovery_result)
+ sdp->sd_lockstruct.ls_ops->lm_recovery_result(sdp, jid, message);
}
-static void gfs2_recover_work(struct slow_work *work)
+void gfs2_recover_func(struct work_struct *work)
{
struct gfs2_jdesc *jd = container_of(work, struct gfs2_jdesc, jd_work);
struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);
struct gfs2_log_header_host head;
- struct gfs2_holder j_gh, ji_gh, t_gh;
+ struct gfs2_holder j_gh, ji_gh, thaw_gh;
unsigned long t;
int ro = 0;
unsigned int pass;
int error;
+ int jlocked = 0;
- if (jd->jd_jid != sdp->sd_lockstruct.ls_jid) {
+ if (sdp->sd_args.ar_spectator ||
+ (jd->jd_jid != sdp->sd_lockstruct.ls_jid)) {
fs_info(sdp, "jid=%u: Trying to acquire journal lock...\n",
jd->jd_jid);
-
+ jlocked = 1;
/* Acquire the journal lock so we can do recovery */
error = gfs2_glock_nq_num(sdp, jd->jd_jid, &gfs2_journal_glops,
@@ -517,15 +508,17 @@ static void gfs2_recover_work(struct slow_work *work)
t = jiffies;
- /* Acquire a shared hold on the transaction lock */
+ /* Acquire a shared hold on the freeze lock */
- error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED,
- LM_FLAG_NOEXP | LM_FLAG_PRIORITY |
- GL_NOCACHE, &t_gh);
+ error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED,
+ LM_FLAG_NOEXP | LM_FLAG_PRIORITY,
+ &thaw_gh);
if (error)
goto fail_gunlock_ji;
- if (test_bit(SDF_JOURNAL_CHECKED, &sdp->sd_flags)) {
+ if (test_bit(SDF_RORECOVERY, &sdp->sd_flags)) {
+ ro = 1;
+ } else if (test_bit(SDF_JOURNAL_CHECKED, &sdp->sd_flags)) {
if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))
ro = 1;
} else {
@@ -545,7 +538,7 @@ static void gfs2_recover_work(struct slow_work *work)
fs_warn(sdp, "jid=%u: Can't replay: read-only block "
"device\n", jd->jd_jid);
error = -EROFS;
- goto fail_gunlock_tr;
+ goto fail_gunlock_thaw;
}
fs_info(sdp, "jid=%u: Replaying journal...\n", jd->jd_jid);
@@ -556,66 +549,69 @@ static void gfs2_recover_work(struct slow_work *work)
head.lh_blkno, pass);
lops_after_scan(jd, error, pass);
if (error)
- goto fail_gunlock_tr;
+ goto fail_gunlock_thaw;
}
error = clean_journal(jd, &head);
if (error)
- goto fail_gunlock_tr;
+ goto fail_gunlock_thaw;
- gfs2_glock_dq_uninit(&t_gh);
+ gfs2_glock_dq_uninit(&thaw_gh);
t = DIV_ROUND_UP(jiffies - t, HZ);
fs_info(sdp, "jid=%u: Journal replayed in %lus\n",
jd->jd_jid, t);
}
- if (jd->jd_jid != sdp->sd_lockstruct.ls_jid)
- gfs2_glock_dq_uninit(&ji_gh);
-
gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_SUCCESS);
- if (jd->jd_jid != sdp->sd_lockstruct.ls_jid)
+ if (jlocked) {
+ gfs2_glock_dq_uninit(&ji_gh);
gfs2_glock_dq_uninit(&j_gh);
+ }
fs_info(sdp, "jid=%u: Done\n", jd->jd_jid);
- return;
+ goto done;
-fail_gunlock_tr:
- gfs2_glock_dq_uninit(&t_gh);
+fail_gunlock_thaw:
+ gfs2_glock_dq_uninit(&thaw_gh);
fail_gunlock_ji:
- if (jd->jd_jid != sdp->sd_lockstruct.ls_jid) {
+ if (jlocked) {
gfs2_glock_dq_uninit(&ji_gh);
fail_gunlock_j:
gfs2_glock_dq_uninit(&j_gh);
}
fs_info(sdp, "jid=%u: %s\n", jd->jd_jid, (error) ? "Failed" : "Done");
-
fail:
+ jd->jd_recover_error = error;
gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_GAVEUP);
+done:
+ clear_bit(JDF_RECOVERY, &jd->jd_flags);
+ smp_mb__after_atomic();
+ wake_up_bit(&jd->jd_flags, JDF_RECOVERY);
}
-struct slow_work_ops gfs2_recover_ops = {
- .owner = THIS_MODULE,
- .get_ref = gfs2_recover_get_ref,
- .put_ref = gfs2_recover_put_ref,
- .execute = gfs2_recover_work,
-};
-
-
static int gfs2_recovery_wait(void *word)
{
schedule();
return 0;
}
-int gfs2_recover_journal(struct gfs2_jdesc *jd)
+int gfs2_recover_journal(struct gfs2_jdesc *jd, bool wait)
{
int rv;
- rv = slow_work_enqueue(&jd->jd_work);
- if (rv)
- return rv;
- wait_on_bit(&jd->jd_flags, JDF_RECOVERY, gfs2_recovery_wait, TASK_UNINTERRUPTIBLE);
- return 0;
+
+ if (test_and_set_bit(JDF_RECOVERY, &jd->jd_flags))
+ return -EBUSY;
+
+ /* we have JDF_RECOVERY, queue should always succeed */
+ rv = queue_work(gfs_recovery_wq, &jd->jd_work);
+ BUG_ON(!rv);
+
+ if (wait)
+ wait_on_bit(&jd->jd_flags, JDF_RECOVERY, gfs2_recovery_wait,
+ TASK_UNINTERRUPTIBLE);
+
+ return wait ? jd->jd_recover_error : 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 07:07:11 +0000