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-rw-r--r--fs/gfs2/Kconfig1
-rw-r--r--fs/gfs2/aops.c9
-rw-r--r--fs/gfs2/bmap.c17
-rw-r--r--fs/gfs2/bmap.h2
-rw-r--r--fs/gfs2/dir.c11
-rw-r--r--fs/gfs2/file.c4
-rw-r--r--fs/gfs2/glock.c105
-rw-r--r--fs/gfs2/incore.h4
-rw-r--r--fs/gfs2/main.c14
-rw-r--r--fs/gfs2/ops_fstype.c35
-rw-r--r--fs/gfs2/quota.c25
-rw-r--r--fs/gfs2/recovery.c54
-rw-r--r--fs/gfs2/recovery.h6
-rw-r--r--fs/gfs2/super.c9
-rw-r--r--fs/gfs2/sys.c60
15 files changed, 214 insertions, 142 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index a47b4310711..cc966552214 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -7,7 +7,6 @@ config GFS2_FS
select IP_SCTP if DLM_SCTP
select FS_POSIX_ACL
select CRC32
- select SLOW_WORK
select QUOTACTL
help
A cluster filesystem.
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 9f8b52500d6..5e96cbd8a45 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -136,10 +136,7 @@ static int gfs2_writeback_writepage(struct page *page,
if (ret <= 0)
return ret;
- ret = mpage_writepage(page, gfs2_get_block_noalloc, wbc);
- if (ret == -EAGAIN)
- ret = block_write_full_page(page, gfs2_get_block_noalloc, wbc);
- return ret;
+ return nobh_writepage(page, gfs2_get_block_noalloc, wbc);
}
/**
@@ -637,9 +634,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
}
}
- error = gfs2_write_alloc_required(ip, pos, len, &alloc_required);
- if (error)
- goto out_unlock;
+ alloc_required = gfs2_write_alloc_required(ip, pos, len);
if (alloc_required || gfs2_is_jdata(ip))
gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 84da64b551b..6f482809d1a 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1040,7 +1040,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
goto out;
if (gfs2_is_stuffed(ip)) {
- u64 dsize = size + sizeof(struct gfs2_inode);
+ u64 dsize = size + sizeof(struct gfs2_dinode);
ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
@@ -1244,13 +1244,12 @@ int gfs2_file_dealloc(struct gfs2_inode *ip)
* @ip: the file being written to
* @offset: the offset to write to
* @len: the number of bytes being written
- * @alloc_required: set to 1 if an alloc is required, 0 otherwise
*
- * Returns: errno
+ * Returns: 1 if an alloc is required, 0 otherwise
*/
int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
- unsigned int len, int *alloc_required)
+ unsigned int len)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct buffer_head bh;
@@ -1258,26 +1257,23 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
u64 lblock, lblock_stop, size;
u64 end_of_file;
- *alloc_required = 0;
-
if (!len)
return 0;
if (gfs2_is_stuffed(ip)) {
if (offset + len >
sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode))
- *alloc_required = 1;
+ return 1;
return 0;
}
- *alloc_required = 1;
shift = sdp->sd_sb.sb_bsize_shift;
BUG_ON(gfs2_is_dir(ip));
end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
lblock = offset >> shift;
lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
if (lblock_stop > end_of_file)
- return 0;
+ return 1;
size = (lblock_stop - lblock) << shift;
do {
@@ -1285,12 +1281,11 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
bh.b_size = size;
gfs2_block_map(&ip->i_inode, lblock, &bh, 0);
if (!buffer_mapped(&bh))
- return 0;
+ return 1;
size -= bh.b_size;
lblock += (bh.b_size >> ip->i_inode.i_blkbits);
} while(size > 0);
- *alloc_required = 0;
return 0;
}
diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h
index c983177e05a..a20a5213135 100644
--- a/fs/gfs2/bmap.h
+++ b/fs/gfs2/bmap.h
@@ -52,6 +52,6 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
int gfs2_truncatei_resume(struct gfs2_inode *ip);
int gfs2_file_dealloc(struct gfs2_inode *ip);
int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
- unsigned int len, int *alloc_required);
+ unsigned int len);
#endif /* __BMAP_DOT_H__ */
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 6b48d7c268b..b9dd88a78dd 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -955,7 +955,12 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name)
/* Change the pointers.
Don't bother distinguishing stuffed from non-stuffed.
This code is complicated enough already. */
- lp = kmalloc(half_len * sizeof(__be64), GFP_NOFS | __GFP_NOFAIL);
+ lp = kmalloc(half_len * sizeof(__be64), GFP_NOFS);
+ if (!lp) {
+ error = -ENOMEM;
+ goto fail_brelse;
+ }
+
/* Change the pointers */
for (x = 0; x < half_len; x++)
lp[x] = cpu_to_be64(bn);
@@ -1063,7 +1068,9 @@ static int dir_double_exhash(struct gfs2_inode *dip)
/* Allocate both the "from" and "to" buffers in one big chunk */
- buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS | __GFP_NOFAIL);
+ buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS);
+ if (!buf)
+ return -ENOMEM;
for (block = dip->i_disksize >> sdp->sd_hash_bsize_shift; block--;) {
error = gfs2_dir_read_data(dip, (char *)buf,
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index ed9a94f0ef1..4edd662c823 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -351,7 +351,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
unsigned long last_index;
u64 pos = page->index << PAGE_CACHE_SHIFT;
unsigned int data_blocks, ind_blocks, rblocks;
- int alloc_required = 0;
struct gfs2_holder gh;
struct gfs2_alloc *al;
int ret;
@@ -364,8 +363,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
set_bit(GIF_SW_PAGED, &ip->i_flags);
- ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required);
- if (ret || !alloc_required)
+ if (!gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE))
goto out_unlock;
ret = -ENOMEM;
al = gfs2_alloc_get(ip);
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 0898f3ec821..9adf8f924e0 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -328,6 +328,30 @@ static void gfs2_holder_wake(struct gfs2_holder *gh)
}
/**
+ * do_error - Something unexpected has happened during a lock request
+ *
+ */
+
+static inline void do_error(struct gfs2_glock *gl, const int ret)
+{
+ struct gfs2_holder *gh, *tmp;
+
+ list_for_each_entry_safe(gh, tmp, &gl->gl_holders, gh_list) {
+ if (test_bit(HIF_HOLDER, &gh->gh_iflags))
+ continue;
+ if (ret & LM_OUT_ERROR)
+ gh->gh_error = -EIO;
+ else if (gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB))
+ gh->gh_error = GLR_TRYFAILED;
+ else
+ continue;
+ list_del_init(&gh->gh_list);
+ trace_gfs2_glock_queue(gh, 0);
+ gfs2_holder_wake(gh);
+ }
+}
+
+/**
* do_promote - promote as many requests as possible on the current queue
* @gl: The glock
*
@@ -375,36 +399,13 @@ restart:
}
if (gh->gh_list.prev == &gl->gl_holders)
return 1;
+ do_error(gl, 0);
break;
}
return 0;
}
/**
- * do_error - Something unexpected has happened during a lock request
- *
- */
-
-static inline void do_error(struct gfs2_glock *gl, const int ret)
-{
- struct gfs2_holder *gh, *tmp;
-
- list_for_each_entry_safe(gh, tmp, &gl->gl_holders, gh_list) {
- if (test_bit(HIF_HOLDER, &gh->gh_iflags))
- continue;
- if (ret & LM_OUT_ERROR)
- gh->gh_error = -EIO;
- else if (gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB))
- gh->gh_error = GLR_TRYFAILED;
- else
- continue;
- list_del_init(&gh->gh_list);
- trace_gfs2_glock_queue(gh, 0);
- gfs2_holder_wake(gh);
- }
-}
-
-/**
* find_first_waiter - find the first gh that's waiting for the glock
* @gl: the glock
*/
@@ -706,18 +707,8 @@ static void glock_work_func(struct work_struct *work)
{
unsigned long delay = 0;
struct gfs2_glock *gl = container_of(work, struct gfs2_glock, gl_work.work);
- struct gfs2_holder *gh;
int drop_ref = 0;
- if (unlikely(test_bit(GLF_FROZEN, &gl->gl_flags))) {
- spin_lock(&gl->gl_spin);
- gh = find_first_waiter(gl);
- if (gh && (gh->gh_flags & LM_FLAG_NOEXP) &&
- test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))
- set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
- spin_unlock(&gl->gl_spin);
- }
-
if (test_and_clear_bit(GLF_REPLY_PENDING, &gl->gl_flags)) {
finish_xmote(gl, gl->gl_reply);
drop_ref = 1;
@@ -1072,6 +1063,9 @@ int gfs2_glock_nq(struct gfs2_holder *gh)
spin_lock(&gl->gl_spin);
add_to_queue(gh);
+ if ((LM_FLAG_NOEXP & gh->gh_flags) &&
+ test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))
+ set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
run_queue(gl, 1);
spin_unlock(&gl->gl_spin);
@@ -1329,6 +1323,36 @@ void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state)
}
/**
+ * gfs2_should_freeze - Figure out if glock should be frozen
+ * @gl: The glock in question
+ *
+ * Glocks are not frozen if (a) the result of the dlm operation is
+ * an error, (b) the locking operation was an unlock operation or
+ * (c) if there is a "noexp" flagged request anywhere in the queue
+ *
+ * Returns: 1 if freezing should occur, 0 otherwise
+ */
+
+static int gfs2_should_freeze(const struct gfs2_glock *gl)
+{
+ const struct gfs2_holder *gh;
+
+ if (gl->gl_reply & ~LM_OUT_ST_MASK)
+ return 0;
+ if (gl->gl_target == LM_ST_UNLOCKED)
+ return 0;
+
+ list_for_each_entry(gh, &gl->gl_holders, gh_list) {
+ if (test_bit(HIF_HOLDER, &gh->gh_iflags))
+ continue;
+ if (LM_FLAG_NOEXP & gh->gh_flags)
+ return 0;
+ }
+
+ return 1;
+}
+
+/**
* gfs2_glock_complete - Callback used by locking
* @gl: Pointer to the glock
* @ret: The return value from the dlm
@@ -1338,18 +1362,17 @@ void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state)
void gfs2_glock_complete(struct gfs2_glock *gl, int ret)
{
struct lm_lockstruct *ls = &gl->gl_sbd->sd_lockstruct;
+
gl->gl_reply = ret;
+
if (unlikely(test_bit(DFL_BLOCK_LOCKS, &ls->ls_flags))) {
- struct gfs2_holder *gh;
spin_lock(&gl->gl_spin);
- gh = find_first_waiter(gl);
- if ((!(gh && (gh->gh_flags & LM_FLAG_NOEXP)) &&
- (gl->gl_target != LM_ST_UNLOCKED)) ||
- ((ret & ~LM_OUT_ST_MASK) != 0))
+ if (gfs2_should_freeze(gl)) {
set_bit(GLF_FROZEN, &gl->gl_flags);
- spin_unlock(&gl->gl_spin);
- if (test_bit(GLF_FROZEN, &gl->gl_flags))
+ spin_unlock(&gl->gl_spin);
return;
+ }
+ spin_unlock(&gl->gl_spin);
}
set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
gfs2_glock_hold(gl);
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index b5d7363b22d..fdbf4b366fa 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -12,7 +12,6 @@
#include <linux/fs.h>
#include <linux/workqueue.h>
-#include <linux/slow-work.h>
#include <linux/dlm.h>
#include <linux/buffer_head.h>
@@ -383,7 +382,7 @@ struct gfs2_journal_extent {
struct gfs2_jdesc {
struct list_head jd_list;
struct list_head extent_list;
- struct slow_work jd_work;
+ struct work_struct jd_work;
struct inode *jd_inode;
unsigned long jd_flags;
#define JDF_RECOVERY 1
@@ -460,6 +459,7 @@ enum {
SDF_NOBARRIERS = 3,
SDF_NORECOVERY = 4,
SDF_DEMOTE = 5,
+ SDF_NOJOURNALID = 6,
};
#define GFS2_FSNAME_LEN 256
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index fb2a5f93b7c..b1e9630eb46 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/gfs2_ondisk.h>
#include <asm/atomic.h>
-#include <linux/slow-work.h>
#include "gfs2.h"
#include "incore.h"
@@ -24,6 +23,7 @@
#include "util.h"
#include "glock.h"
#include "quota.h"
+#include "recovery.h"
static struct shrinker qd_shrinker = {
.shrink = gfs2_shrink_qd_memory,
@@ -138,9 +138,11 @@ static int __init init_gfs2_fs(void)
if (error)
goto fail_unregister;
- error = slow_work_register_user(THIS_MODULE);
- if (error)
- goto fail_slow;
+ error = -ENOMEM;
+ gfs_recovery_wq = alloc_workqueue("gfs_recovery",
+ WQ_NON_REENTRANT | WQ_RESCUER, 0);
+ if (!gfs_recovery_wq)
+ goto fail_wq;
gfs2_register_debugfs();
@@ -148,7 +150,7 @@ static int __init init_gfs2_fs(void)
return 0;
-fail_slow:
+fail_wq:
unregister_filesystem(&gfs2meta_fs_type);
fail_unregister:
unregister_filesystem(&gfs2_fs_type);
@@ -190,7 +192,7 @@ static void __exit exit_gfs2_fs(void)
gfs2_unregister_debugfs();
unregister_filesystem(&gfs2_fs_type);
unregister_filesystem(&gfs2meta_fs_type);
- slow_work_unregister_user(THIS_MODULE);
+ destroy_workqueue(gfs_recovery_wq);
kmem_cache_destroy(gfs2_quotad_cachep);
kmem_cache_destroy(gfs2_rgrpd_cachep);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 3593b3a7290..4f44bdeb2f0 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -17,7 +17,6 @@
#include <linux/namei.h>
#include <linux/mount.h>
#include <linux/gfs2_ondisk.h>
-#include <linux/slow-work.h>
#include <linux/quotaops.h>
#include "gfs2.h"
@@ -76,7 +75,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
sb->s_fs_info = sdp;
sdp->sd_vfs = sb;
-
+ set_bit(SDF_NOJOURNALID, &sdp->sd_flags);
gfs2_tune_init(&sdp->sd_tune);
init_waitqueue_head(&sdp->sd_glock_wait);
@@ -673,7 +672,7 @@ static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh)
break;
INIT_LIST_HEAD(&jd->extent_list);
- slow_work_init(&jd->jd_work, &gfs2_recover_ops);
+ INIT_WORK(&jd->jd_work, gfs2_recover_func);
jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1);
if (!jd->jd_inode || IS_ERR(jd->jd_inode)) {
if (!jd->jd_inode)
@@ -782,7 +781,8 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
if (sdp->sd_lockstruct.ls_first) {
unsigned int x;
for (x = 0; x < sdp->sd_journals; x++) {
- error = gfs2_recover_journal(gfs2_jdesc_find(sdp, x));
+ error = gfs2_recover_journal(gfs2_jdesc_find(sdp, x),
+ true);
if (error) {
fs_err(sdp, "error recovering journal %u: %d\n",
x, error);
@@ -792,7 +792,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
gfs2_others_may_mount(sdp);
} else if (!sdp->sd_args.ar_spectator) {
- error = gfs2_recover_journal(sdp->sd_jdesc);
+ error = gfs2_recover_journal(sdp->sd_jdesc, true);
if (error) {
fs_err(sdp, "error recovering my journal: %d\n", error);
goto fail_jinode_gh;
@@ -1050,7 +1050,8 @@ static int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent)
ret = match_int(&tmp[0], &option);
if (ret || option < 0)
goto hostdata_error;
- ls->ls_jid = option;
+ if (test_and_clear_bit(SDF_NOJOURNALID, &sdp->sd_flags))
+ ls->ls_jid = option;
break;
case Opt_id:
/* Obsolete, but left for backward compat purposes */
@@ -1102,6 +1103,24 @@ void gfs2_lm_unmount(struct gfs2_sbd *sdp)
lm->lm_unmount(sdp);
}
+static int gfs2_journalid_wait(void *word)
+{
+ if (signal_pending(current))
+ return -EINTR;
+ schedule();
+ return 0;
+}
+
+static int wait_on_journal(struct gfs2_sbd *sdp)
+{
+ if (sdp->sd_args.ar_spectator)
+ return 0;
+ if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)
+ return 0;
+
+ return wait_on_bit(&sdp->sd_flags, SDF_NOJOURNALID, gfs2_journalid_wait, TASK_INTERRUPTIBLE);
+}
+
void gfs2_online_uevent(struct gfs2_sbd *sdp)
{
struct super_block *sb = sdp->sd_vfs;
@@ -1194,6 +1213,10 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
if (error)
goto fail_locking;
+ error = wait_on_journal(sdp);
+ if (error)
+ goto fail_sb;
+
error = init_inodes(sdp, DO);
if (error)
goto fail_sb;
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 8f02d3db8f4..1bc6b5695e6 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -787,15 +787,9 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
goto out;
for (x = 0; x < num_qd; x++) {
- int alloc_required;
-
offset = qd2offset(qda[x]);
- error = gfs2_write_alloc_required(ip, offset,
- sizeof(struct gfs2_quota),
- &alloc_required);
- if (error)
- goto out_gunlock;
- if (alloc_required)
+ if (gfs2_write_alloc_required(ip, offset,
+ sizeof(struct gfs2_quota)))
nalloc++;
}
@@ -1455,10 +1449,10 @@ static int gfs2_quota_get_xstate(struct super_block *sb,
switch (sdp->sd_args.ar_quota) {
case GFS2_QUOTA_ON:
- fqs->qs_flags |= (XFS_QUOTA_UDQ_ENFD | XFS_QUOTA_GDQ_ENFD);
+ fqs->qs_flags |= (FS_QUOTA_UDQ_ENFD | FS_QUOTA_GDQ_ENFD);
/*FALLTHRU*/
case GFS2_QUOTA_ACCOUNT:
- fqs->qs_flags |= (XFS_QUOTA_UDQ_ACCT | XFS_QUOTA_GDQ_ACCT);
+ fqs->qs_flags |= (FS_QUOTA_UDQ_ACCT | FS_QUOTA_GDQ_ACCT);
break;
case GFS2_QUOTA_OFF:
break;
@@ -1504,7 +1498,7 @@ static int gfs2_get_dqblk(struct super_block *sb, int type, qid_t id,
qlvb = (struct gfs2_quota_lvb *)qd->qd_gl->gl_lvb;
fdq->d_version = FS_DQUOT_VERSION;
- fdq->d_flags = (type == QUOTA_USER) ? XFS_USER_QUOTA : XFS_GROUP_QUOTA;
+ fdq->d_flags = (type == QUOTA_USER) ? FS_USER_QUOTA : FS_GROUP_QUOTA;
fdq->d_id = id;
fdq->d_blk_hardlimit = be64_to_cpu(qlvb->qb_limit);
fdq->d_blk_softlimit = be64_to_cpu(qlvb->qb_warn);
@@ -1539,12 +1533,12 @@ static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
switch(type) {
case USRQUOTA:
type = QUOTA_USER;
- if (fdq->d_flags != XFS_USER_QUOTA)
+ if (fdq->d_flags != FS_USER_QUOTA)
return -EINVAL;
break;
case GRPQUOTA:
type = QUOTA_GROUP;
- if (fdq->d_flags != XFS_GROUP_QUOTA)
+ if (fdq->d_flags != FS_GROUP_QUOTA)
return -EINVAL;
break;
default:
@@ -1584,10 +1578,7 @@ static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
goto out_i;
offset = qd2offset(qd);
- error = gfs2_write_alloc_required(ip, offset, sizeof(struct gfs2_quota),
- &alloc_required);
- if (error)
- goto out_i;
+ alloc_required = gfs2_write_alloc_required(ip, offset, sizeof(struct gfs2_quota));
if (alloc_required) {
al = gfs2_alloc_get(ip);
if (al == NULL)
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 4b9bece3d43..f7f89a94a5a 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)
{
@@ -443,23 +444,7 @@ static void gfs2_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
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);
-}
-
-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);
@@ -578,7 +563,7 @@ static void gfs2_recover_work(struct slow_work *work)
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);
@@ -590,32 +575,35 @@ fail_gunlock_j:
}
fs_info(sdp, "jid=%u: %s\n", jd->jd_jid, (error) ? "Failed" : "Done");
-
fail:
gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_GAVEUP);
+done:
+ clear_bit(JDF_RECOVERY, &jd->jd_flags);
+ smp_mb__after_clear_bit();
+ 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);
+
+ 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 0;
}
diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h
index 1616ac22569..2226136c764 100644
--- a/fs/gfs2/recovery.h
+++ b/fs/gfs2/recovery.h
@@ -12,6 +12,8 @@
#include "incore.h"
+extern struct workqueue_struct *gfs_recovery_wq;
+
static inline void gfs2_replay_incr_blk(struct gfs2_sbd *sdp, unsigned int *blk)
{
if (++*blk == sdp->sd_jdesc->jd_blocks)
@@ -27,8 +29,8 @@ extern void gfs2_revoke_clean(struct gfs2_sbd *sdp);
extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head);
-extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
-extern struct slow_work_ops gfs2_recover_ops;
+extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait);
+extern void gfs2_recover_func(struct work_struct *work);
#endif /* __RECOVERY_DOT_H__ */
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 4d1aad38f1b..4140811a921 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -342,8 +342,6 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd)
{
struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);
- int ar;
- int error;
if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) ||
(ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) {
@@ -352,13 +350,12 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd)
}
jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
- error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar);
- if (!error && ar) {
+ if (gfs2_write_alloc_required(ip, 0, ip->i_disksize)) {
gfs2_consist_inode(ip);
- error = -EIO;
+ return -EIO;
}
- return error;
+ return 0;
}
/**
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 37f5393e68e..ccacffd2faa 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -25,6 +25,7 @@
#include "quota.h"
#include "util.h"
#include "glops.h"
+#include "recovery.h"
struct gfs2_attr {
struct attribute attr;
@@ -325,6 +326,30 @@ static ssize_t lkfirst_show(struct gfs2_sbd *sdp, char *buf)
return sprintf(buf, "%d\n", ls->ls_first);
}
+static ssize_t lkfirst_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
+{
+ unsigned first;
+ int rv;
+
+ rv = sscanf(buf, "%u", &first);
+ if (rv != 1 || first > 1)
+ return -EINVAL;
+ spin_lock(&sdp->sd_jindex_spin);
+ rv = -EBUSY;
+ if (test_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
+ goto out;
+ rv = -EINVAL;
+ if (sdp->sd_args.ar_spectator)
+ goto out;
+ if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)
+ goto out;
+ sdp->sd_lockstruct.ls_first = first;
+ rv = 0;
+out:
+ spin_unlock(&sdp->sd_jindex_spin);
+ return rv ? rv : len;
+}
+
static ssize_t first_done_show(struct gfs2_sbd *sdp, char *buf)
{
struct lm_lockstruct *ls = &sdp->sd_lockstruct;
@@ -352,7 +377,7 @@ static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
if (jd->jd_jid != jid)
continue;
- rv = slow_work_enqueue(&jd->jd_work);
+ rv = gfs2_recover_journal(jd, false);
break;
}
out:
@@ -377,14 +402,41 @@ static ssize_t jid_show(struct gfs2_sbd *sdp, char *buf)
return sprintf(buf, "%u\n", sdp->sd_lockstruct.ls_jid);
}
+static ssize_t jid_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
+{
+ unsigned jid;
+ int rv;
+
+ rv = sscanf(buf, "%u", &jid);
+ if (rv != 1)
+ return -EINVAL;
+
+ spin_lock(&sdp->sd_jindex_spin);
+ rv = -EINVAL;
+ if (sdp->sd_args.ar_spectator)
+ goto out;
+ if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)
+ goto out;
+ rv = -EBUSY;
+ if (test_and_clear_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
+ goto out;
+ sdp->sd_lockstruct.ls_jid = jid;
+ smp_mb__after_clear_bit();
+ wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
+ rv = 0;
+out:
+ spin_unlock(&sdp->sd_jindex_spin);
+ return rv ? rv : len;
+}
+
#define GDLM_ATTR(_name,_mode,_show,_store) \
static struct gfs2_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)
GDLM_ATTR(proto_name, 0444, proto_name_show, NULL);
GDLM_ATTR(block, 0644, block_show, block_store);
GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
-GDLM_ATTR(jid, 0444, jid_show, NULL);
-GDLM_ATTR(first, 0444, lkfirst_show, NULL);
+GDLM_ATTR(jid, 0644, jid_show, jid_store);
+GDLM_ATTR(first, 0644, lkfirst_show, lkfirst_store);
GDLM_ATTR(first_done, 0444, first_done_show, NULL);
GDLM_ATTR(recover, 0600, NULL, recover_store);
GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
@@ -564,7 +616,7 @@ static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
- if (!sdp->sd_args.ar_spectator)
+ if (!test_bit(SDF_NOJOURNALID, &sdp->sd_flags))
add_uevent_var(env, "JOURNALID=%u", sdp->sd_lockstruct.ls_jid);
if (gfs2_uuid_valid(uuid))
add_uevent_var(env, "UUID=%pUB", uuid);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-06 17:30:13 +0000