fs/jfs: Switch to use new generic UUID API

There are new types and helpers that are supposed to be used in new code.

As a preparation to get rid of legacy types and API functions do
the conversion here.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
This commit is contained in:
Andy Shevchenko 2019-01-10 15:41:53 +02:00 committed by Dave Kleikamp
parent 7ca5e8f089
commit 2e3bc61251
6 changed files with 29 additions and 23 deletions

View File

@ -23,6 +23,8 @@
#include <linux/rwsem.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/uuid.h>
#include "jfs_types.h"
#include "jfs_xtree.h"
#include "jfs_dtree.h"
@ -178,8 +180,8 @@ struct jfs_sb_info {
pxd_t logpxd; /* pxd describing log */
pxd_t fsckpxd; /* pxd describing fsck wkspc */
pxd_t ait2; /* pxd describing AIT copy */
char uuid[16]; /* 128-bit uuid for volume */
char loguuid[16]; /* 128-bit uuid for log */
uuid_t uuid; /* 128-bit uuid for volume */
uuid_t loguuid; /* 128-bit uuid for log */
/*
* commit_state is used for synchronization of the jfs_commit
* threads. It is protected by LAZY_LOCK().

View File

@ -1092,8 +1092,7 @@ 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 (!uuid_equal(&log->uuid, &sbi->loguuid)) {
jfs_warn("wrong uuid on JFS journal");
mutex_unlock(&jfs_log_mutex);
return -EINVAL;
@ -1130,7 +1129,7 @@ int lmLogOpen(struct super_block *sb)
}
log->bdev = bdev;
memcpy(log->uuid, sbi->loguuid, sizeof(log->uuid));
uuid_copy(&log->uuid, &sbi->loguuid);
/*
* initialize log:
@ -1336,7 +1335,7 @@ 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");
goto errout20;
}
@ -1732,7 +1731,7 @@ 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 +1742,8 @@ 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 +1754,9 @@ 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) {

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@ -19,6 +19,8 @@
#ifndef _H_JFS_LOGMGR
#define _H_JFS_LOGMGR
#include <linux/uuid.h>
#include "jfs_filsys.h"
#include "jfs_lock.h"
@ -73,15 +75,13 @@ struct logsuper {
__le32 state; /* 4: state - see below */
__le32 end; /* 4: addr of last log record set by logredo */
char uuid[16]; /* 16: 128-bit journal uuid */
uuid_t uuid; /* 16: 128-bit journal uuid */
char label[16]; /* 16: journal label */
struct {
char uuid[16];
uuid_t uuid;
} active[MAX_ACTIVE]; /* 2048: active file systems list */
};
#define NULL_UUID "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
/* log flag: commit option (see jfs_filsys.h) */
/* log state */
@ -410,7 +410,7 @@ struct jfs_log {
spinlock_t synclock; /* 4: synclist lock */
struct lbuf *wqueue; /* 4: log pageout queue */
int count; /* 4: count */
char uuid[16]; /* 16: 128-bit uuid of log device */
uuid_t uuid; /* 16: 128-bit uuid of log device */
int no_integrity; /* 3: flag to disable journaling to disk */
};

View File

@ -389,8 +389,8 @@ static int chkSuper(struct super_block *sb)
sbi->logpxd = j_sb->s_logpxd;
else {
sbi->logdev = new_decode_dev(le32_to_cpu(j_sb->s_logdev));
memcpy(sbi->uuid, j_sb->s_uuid, sizeof(sbi->uuid));
memcpy(sbi->loguuid, j_sb->s_loguuid, sizeof(sbi->uuid));
uuid_copy(&sbi->uuid, &j_sb->s_uuid);
uuid_copy(&sbi->loguuid, &j_sb->s_loguuid);
}
sbi->fsckpxd = j_sb->s_fsckpxd;
sbi->ait2 = j_sb->s_ait2;

View File

@ -18,6 +18,8 @@
#ifndef _H_JFS_SUPERBLOCK
#define _H_JFS_SUPERBLOCK
#include <linux/uuid.h>
/*
* make the magic number something a human could read
*/
@ -98,9 +100,9 @@ struct jfs_superblock {
__le64 s_xsize; /* 8: extendfs s_size */
pxd_t s_xfsckpxd; /* 8: extendfs fsckpxd */
pxd_t s_xlogpxd; /* 8: extendfs logpxd */
char s_uuid[16]; /* 16: 128-bit uuid for volume */
uuid_t s_uuid; /* 16: 128-bit uuid for volume */
char s_label[16]; /* 16: volume label */
char s_loguuid[16]; /* 16: 128-bit uuid for log device */
uuid_t s_loguuid; /* 16: 128-bit uuid for log device */
};

View File

@ -174,9 +174,11 @@ static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = maxinodes;
buf->f_ffree = maxinodes - (atomic_read(&imap->im_numinos) -
atomic_read(&imap->im_numfree));
buf->f_fsid.val[0] = (u32)crc32_le(0, sbi->uuid, sizeof(sbi->uuid)/2);
buf->f_fsid.val[1] = (u32)crc32_le(0, sbi->uuid + sizeof(sbi->uuid)/2,
sizeof(sbi->uuid)/2);
buf->f_fsid.val[0] = crc32_le(0, (char *)&sbi->uuid,
sizeof(sbi->uuid)/2);
buf->f_fsid.val[1] = crc32_le(0,
(char *)&sbi->uuid + sizeof(sbi->uuid)/2,
sizeof(sbi->uuid)/2);
buf->f_namelen = JFS_NAME_MAX;
return 0;