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Diffstat (limited to 'fs/jfs/jfs_logmgr.c')
-rw-r--r--fs/jfs/jfs_logmgr.c103
1 files changed, 34 insertions, 69 deletions
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index a21f0e9eecd4..b343c5ea1159 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) International Business Machines Corp., 2000-2004
* Portions Copyright (C) Christoph Hellwig, 2001-2002
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
@@ -401,14 +388,6 @@ lmWriteRecord(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
p = (caddr_t) &JFS_IP(tlck->ip)->i_xtroot;
linelock = (struct linelock *) & tlck->lock;
}
-#ifdef _JFS_WIP
- else if (tlck->flag & tlckINLINELOCK) {
-
- inlinelock = (struct inlinelock *) & tlck;
- p = (caddr_t) & inlinelock->pxd;
- linelock = (struct linelock *) & tlck;
- }
-#endif /* _JFS_WIP */
else {
jfs_err("lmWriteRecord: UFO tlck:0x%p", tlck);
return 0; /* Probably should trap */
@@ -1079,7 +1058,7 @@ void jfs_syncpt(struct jfs_log *log, int hard_sync)
int lmLogOpen(struct super_block *sb)
{
int rc;
- struct block_device *bdev;
+ struct file *bdev_file;
struct jfs_log *log;
struct jfs_sb_info *sbi = JFS_SBI(sb);
@@ -1091,9 +1070,8 @@ int lmLogOpen(struct super_block *sb)
mutex_lock(&jfs_log_mutex);
list_for_each_entry(log, &jfs_external_logs, journal_list) {
- if (log->bdev->bd_dev == sbi->logdev) {
- if (memcmp(log->uuid, sbi->loguuid,
- sizeof(log->uuid))) {
+ if (file_bdev(log->bdev_file)->bd_dev == sbi->logdev) {
+ if (!uuid_equal(&log->uuid, &sbi->loguuid)) {
jfs_warn("wrong uuid on JFS journal");
mutex_unlock(&jfs_log_mutex);
return -EINVAL;
@@ -1122,15 +1100,15 @@ int lmLogOpen(struct super_block *sb)
* file systems to log may have n-to-1 relationship;
*/
- bdev = blkdev_get_by_dev(sbi->logdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
- log);
- if (IS_ERR(bdev)) {
- rc = PTR_ERR(bdev);
+ bdev_file = bdev_file_open_by_dev(sbi->logdev,
+ BLK_OPEN_READ | BLK_OPEN_WRITE, log, NULL);
+ if (IS_ERR(bdev_file)) {
+ rc = PTR_ERR(bdev_file);
goto free;
}
- log->bdev = bdev;
- memcpy(log->uuid, sbi->loguuid, sizeof(log->uuid));
+ log->bdev_file = bdev_file;
+ uuid_copy(&log->uuid, &sbi->loguuid);
/*
* initialize log:
@@ -1163,7 +1141,7 @@ journal_found:
lbmLogShutdown(log);
close: /* close external log device */
- blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
+ bdev_fput(bdev_file);
free: /* free log descriptor */
mutex_unlock(&jfs_log_mutex);
@@ -1184,7 +1162,7 @@ static int open_inline_log(struct super_block *sb)
init_waitqueue_head(&log->syncwait);
set_bit(log_INLINELOG, &log->flag);
- log->bdev = sb->s_bdev;
+ log->bdev_file = sb->s_bdev_file;
log->base = addressPXD(&JFS_SBI(sb)->logpxd);
log->size = lengthPXD(&JFS_SBI(sb)->logpxd) >>
(L2LOGPSIZE - sb->s_blocksize_bits);
@@ -1221,7 +1199,6 @@ static int open_dummy_log(struct super_block *sb)
init_waitqueue_head(&dummy_log->syncwait);
dummy_log->no_integrity = 1;
/* Make up some stuff */
- dummy_log->base = 0;
dummy_log->size = 1024;
rc = lmLogInit(dummy_log);
if (rc) {
@@ -1336,8 +1313,9 @@ int lmLogInit(struct jfs_log * log)
jfs_info("lmLogInit: inline log:0x%p base:0x%Lx size:0x%x",
log, (unsigned long long)log->base, log->size);
} else {
- if (memcmp(logsuper->uuid, log->uuid, 16)) {
+ if (!uuid_equal(&logsuper->uuid, &log->uuid)) {
jfs_warn("wrong uuid on JFS log device");
+ rc = -EINVAL;
goto errout20;
}
log->size = le32_to_cpu(logsuper->size);
@@ -1457,7 +1435,7 @@ int lmLogClose(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_log *log = sbi->log;
- struct block_device *bdev;
+ struct file *bdev_file;
int rc = 0;
jfs_info("lmLogClose: log:0x%p", log);
@@ -1503,10 +1481,10 @@ int lmLogClose(struct super_block *sb)
* external log as separate logical volume
*/
list_del(&log->journal_list);
- bdev = log->bdev;
+ bdev_file = log->bdev_file;
rc = lmLogShutdown(log);
- blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
+ bdev_fput(bdev_file);
kfree(log);
@@ -1621,7 +1599,7 @@ void jfs_flush_journal(struct jfs_log *log, int wait)
mp, sizeof(struct metapage), 0);
print_hex_dump(KERN_ERR, "page: ",
DUMP_PREFIX_ADDRESS, 16,
- sizeof(long), mp->page,
+ sizeof(long), mp->folio,
sizeof(struct page), 0);
} else
print_hex_dump(KERN_ERR, "tblock:",
@@ -1732,7 +1710,7 @@ static int lmLogFileSystem(struct jfs_log * log, struct jfs_sb_info *sbi,
int i;
struct logsuper *logsuper;
struct lbuf *bpsuper;
- char *uuid = sbi->uuid;
+ uuid_t *uuid = &sbi->uuid;
/*
* insert/remove file system device to log active file system list.
@@ -1743,8 +1721,8 @@ static int lmLogFileSystem(struct jfs_log * log, struct jfs_sb_info *sbi,
logsuper = (struct logsuper *) bpsuper->l_ldata;
if (activate) {
for (i = 0; i < MAX_ACTIVE; i++)
- if (!memcmp(logsuper->active[i].uuid, NULL_UUID, 16)) {
- memcpy(logsuper->active[i].uuid, uuid, 16);
+ if (uuid_is_null(&logsuper->active[i].uuid)) {
+ uuid_copy(&logsuper->active[i].uuid, uuid);
sbi->aggregate = i;
break;
}
@@ -1755,8 +1733,9 @@ static int lmLogFileSystem(struct jfs_log * log, struct jfs_sb_info *sbi,
}
} else {
for (i = 0; i < MAX_ACTIVE; i++)
- if (!memcmp(logsuper->active[i].uuid, uuid, 16)) {
- memcpy(logsuper->active[i].uuid, NULL_UUID, 16);
+ if (uuid_equal(&logsuper->active[i].uuid, uuid)) {
+ uuid_copy(&logsuper->active[i].uuid,
+ &uuid_null);
break;
}
if (i == MAX_ACTIVE) {
@@ -1992,17 +1971,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
bp->l_flag |= lbmREAD;
- bio = bio_alloc(GFP_NOFS, 1);
-
+ bio = bio_alloc(file_bdev(log->bdev_file), 1, REQ_OP_READ, GFP_NOFS);
bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9);
- bio->bi_bdev = log->bdev;
-
- bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
+ __bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
BUG_ON(bio->bi_iter.bi_size != LOGPSIZE);
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
- bio->bi_opf = REQ_OP_READ;
/*check if journaling to disk has been disabled*/
if (log->no_integrity) {
bio->bi_iter.bi_size = 0;
@@ -2134,19 +2109,21 @@ static void lbmStartIO(struct lbuf * bp)
{
struct bio *bio;
struct jfs_log *log = bp->l_log;
+ struct block_device *bdev = NULL;
jfs_info("lbmStartIO");
- bio = bio_alloc(GFP_NOFS, 1);
- bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9);
- bio->bi_bdev = log->bdev;
+ if (!log->no_integrity)
+ bdev = file_bdev(log->bdev_file);
- bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
+ bio = bio_alloc(bdev, 1, REQ_OP_WRITE | REQ_SYNC,
+ GFP_NOFS);
+ bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9);
+ __bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
BUG_ON(bio->bi_iter.bi_size != LOGPSIZE);
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
- bio->bi_opf = REQ_OP_WRITE | REQ_SYNC;
/* check if journaling to disk has been disabled */
if (log->no_integrity) {
@@ -2493,7 +2470,7 @@ exit:
}
#ifdef CONFIG_JFS_STATISTICS
-static int jfs_lmstats_proc_show(struct seq_file *m, void *v)
+int jfs_lmstats_proc_show(struct seq_file *m, void *v)
{
seq_printf(m,
"JFS Logmgr stats\n"
@@ -2510,16 +2487,4 @@ static int jfs_lmstats_proc_show(struct seq_file *m, void *v)
lmStat.partial_page);
return 0;
}
-
-static int jfs_lmstats_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, jfs_lmstats_proc_show, NULL);
-}
-
-const struct file_operations jfs_lmstats_proc_fops = {
- .open = jfs_lmstats_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
#endif /* CONFIG_JFS_STATISTICS */
generated by cgit (git 2.34.1) at 2025-12-25 18:01:14 +0000