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reiserfs: Convert to bdev_open_by_dev/path()

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Convert reiserfs to use bdev_open_by_dev/path() and pass the handle
around.

CC: reiserfs-devel@vger.kernel.org
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230927093442.25915-27-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara 2023-09-27 11:34:33 +02:00 committed by Christian Brauner
parent ebc4185497
commit ba1787a5ed
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
3 changed files with 33 additions and 36 deletions
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56
fs/reiserfs/journal.c
View File

@ -90,8 +90,7 @@ static int flush_commit_list(struct super_block *s,
static int can_dirty(struct reiserfs_journal_cnode *cn);
static int journal_join(struct reiserfs_transaction_handle *th,
struct super_block *sb);
static void release_journal_dev(struct super_block *super,
struct reiserfs_journal *journal);
static void release_journal_dev(struct reiserfs_journal *journal);
static void dirty_one_transaction(struct super_block *s,
struct reiserfs_journal_list *jl);
static void flush_async_commits(struct work_struct *work);
@ -1893,7 +1892,7 @@ static void free_journal_ram(struct super_block *sb)
* j_header_bh is on the journal dev, make sure
* not to release the journal dev until we brelse j_header_bh
*/
release_journal_dev(sb, journal);
release_journal_dev(journal);
vfree(journal);
}
@ -2387,7 +2386,7 @@ static int journal_read(struct super_block *sb)
cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(sb);
reiserfs_info(sb, "checking transaction log (%pg)\n",
journal->j_dev_bd);
journal->j_bdev_handle->bdev);
start = ktime_get_seconds();
/*
@ -2448,7 +2447,7 @@ static int journal_read(struct super_block *sb)
* device and journal device to be the same
*/
d_bh =
reiserfs_breada(journal->j_dev_bd, cur_dblock,
reiserfs_breada(journal->j_bdev_handle->bdev, cur_dblock,
sb->s_blocksize,
SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
SB_ONDISK_JOURNAL_SIZE(sb));
@ -2587,17 +2586,11 @@ static void journal_list_init(struct super_block *sb)
SB_JOURNAL(sb)->j_current_jl = alloc_journal_list(sb);
}
static void release_journal_dev(struct super_block *super,
struct reiserfs_journal *journal)
static void release_journal_dev(struct reiserfs_journal *journal)
{
if (journal->j_dev_bd != NULL) {
void *holder = NULL;
if (journal->j_dev_bd->bd_dev != super->s_dev)
holder = journal;
blkdev_put(journal->j_dev_bd, holder);
journal->j_dev_bd = NULL;
if (journal->j_bdev_handle) {
bdev_release(journal->j_bdev_handle);
journal->j_bdev_handle = NULL;
}
}
@ -2612,7 +2605,7 @@ static int journal_init_dev(struct super_block *super,
result = 0;
journal->j_dev_bd = NULL;
journal->j_bdev_handle = NULL;
jdev = SB_ONDISK_JOURNAL_DEVICE(super) ?
new_decode_dev(SB_ONDISK_JOURNAL_DEVICE(super)) : super->s_dev;
@ -2623,36 +2616,37 @@ static int journal_init_dev(struct super_block *super,
if ((!jdev_name || !jdev_name[0])) {
if (jdev == super->s_dev)
holder = NULL;
journal->j_dev_bd = blkdev_get_by_dev(jdev, blkdev_mode, holder,
NULL);
if (IS_ERR(journal->j_dev_bd)) {
result = PTR_ERR(journal->j_dev_bd);
journal->j_dev_bd = NULL;
journal->j_bdev_handle = bdev_open_by_dev(jdev, blkdev_mode,
holder, NULL);
if (IS_ERR(journal->j_bdev_handle)) {
result = PTR_ERR(journal->j_bdev_handle);
journal->j_bdev_handle = NULL;
reiserfs_warning(super, "sh-458",
"cannot init journal device unknown-block(%u,%u): %i",
MAJOR(jdev), MINOR(jdev), result);
return result;
} else if (jdev != super->s_dev)
set_blocksize(journal->j_dev_bd, super->s_blocksize);
set_blocksize(journal->j_bdev_handle->bdev,
super->s_blocksize);
return 0;
}
journal->j_dev_bd = blkdev_get_by_path(jdev_name, blkdev_mode, holder,
NULL);
if (IS_ERR(journal->j_dev_bd)) {
result = PTR_ERR(journal->j_dev_bd);
journal->j_dev_bd = NULL;
journal->j_bdev_handle = bdev_open_by_path(jdev_name, blkdev_mode,
holder, NULL);
if (IS_ERR(journal->j_bdev_handle)) {
result = PTR_ERR(journal->j_bdev_handle);
journal->j_bdev_handle = NULL;
reiserfs_warning(super, "sh-457",
"journal_init_dev: Cannot open '%s': %i",
jdev_name, result);
return result;
}
set_blocksize(journal->j_dev_bd, super->s_blocksize);
set_blocksize(journal->j_bdev_handle->bdev, super->s_blocksize);
reiserfs_info(super,
"journal_init_dev: journal device: %pg\n",
journal->j_dev_bd);
journal->j_bdev_handle->bdev);
return 0;
}
@ -2810,7 +2804,7 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
"journal header magic %x (device %pg) does "
"not match to magic found in super block %x",
jh->jh_journal.jp_journal_magic,
journal->j_dev_bd,
journal->j_bdev_handle->bdev,
sb_jp_journal_magic(rs));
brelse(bhjh);
goto free_and_return;
@ -2834,7 +2828,7 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
reiserfs_info(sb, "journal params: device %pg, size %u, "
"journal first block %u, max trans len %u, max batch %u, "
"max commit age %u, max trans age %u\n",
journal->j_dev_bd,
journal->j_bdev_handle->bdev,
SB_ONDISK_JOURNAL_SIZE(sb),
SB_ONDISK_JOURNAL_1st_BLOCK(sb),
journal->j_trans_max,

2
fs/reiserfs/procfs.c
View File

@ -354,7 +354,7 @@ static int show_journal(struct seq_file *m, void *unused)
"prepare: \t%12lu\n"
"prepare_retry: \t%12lu\n",
DJP(jp_journal_1st_block),
SB_JOURNAL(sb)->j_dev_bd,
SB_JOURNAL(sb)->j_bdev_handle->bdev,
DJP(jp_journal_dev),
DJP(jp_journal_size),
DJP(jp_journal_trans_max),

11
fs/reiserfs/reiserfs.h
View File

@ -299,7 +299,7 @@ struct reiserfs_journal {
/* oldest journal block. start here for traverse */
struct reiserfs_journal_cnode *j_first;
struct block_device *j_dev_bd;
struct bdev_handle *j_bdev_handle;
/* first block on s_dev of reserved area journal */
int j_1st_reserved_block;
@ -2809,9 +2809,12 @@ struct reiserfs_journal_header {
#define journal_hash(t,sb,block) ((t)[_jhashfn((sb),(block)) & JBH_HASH_MASK])
/* We need these to make journal.c code more readable */
#define journal_find_get_block(s, block) __find_get_block(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
#define journal_getblk(s, block) __getblk(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
#define journal_bread(s, block) __bread(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
#define journal_find_get_block(s, block) __find_get_block(\
SB_JOURNAL(s)->j_bdev_handle->bdev, block, s->s_blocksize)
#define journal_getblk(s, block) __getblk(SB_JOURNAL(s)->j_bdev_handle->bdev,\
block, s->s_blocksize)
#define journal_bread(s, block) __bread(SB_JOURNAL(s)->j_bdev_handle->bdev,\
block, s->s_blocksize)
enum reiserfs_bh_state_bits {
BH_JDirty = BH_PrivateStart, /* buffer is in current transaction */