Unverified Commit ac4e78bd authored by Christian Brauner's avatar Christian Brauner
Browse files

jfs: port block device access to file 

Link: https://lore.kernel.org/r/20240123-vfs-bdev-file-v2-23-adbd023e19cc@kernel.org


Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 512383ae

fs/jfs/jfs_logmgr.c

+13 −13
Original line number Diff line number Diff line
@@ -1058,7 +1058,7 @@ void jfs_syncpt(struct jfs_log *log, int hard_sync) 
int lmLogOpen(struct super_block *sb)

{

	int rc;

	struct bdev_handle *bdev_handle;

	struct file *bdev_file;

	struct jfs_log *log;

	struct jfs_sb_info *sbi = JFS_SBI(sb);
@@ -1070,7 +1070,7 @@ int lmLogOpen(struct super_block *sb) 


	mutex_lock(&jfs_log_mutex);

	list_for_each_entry(log, &jfs_external_logs, journal_list) {

		if (log->bdev_handle->bdev->bd_dev == sbi->logdev) {

		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);
@@ -1100,14 +1100,14 @@ int lmLogOpen(struct super_block *sb) 
	 * file systems to log may have n-to-1 relationship;

	 */



	bdev_handle = bdev_open_by_dev(sbi->logdev,

	bdev_file = bdev_file_open_by_dev(sbi->logdev,

			BLK_OPEN_READ | BLK_OPEN_WRITE, log, NULL);

	if (IS_ERR(bdev_handle)) {

		rc = PTR_ERR(bdev_handle);

	if (IS_ERR(bdev_file)) {

		rc = PTR_ERR(bdev_file);

		goto free;

	}



	log->bdev_handle = bdev_handle;

	log->bdev_file = bdev_file;

	uuid_copy(&log->uuid, &sbi->loguuid);



	/*
@@ -1141,7 +1141,7 @@ int lmLogOpen(struct super_block *sb) 
	lbmLogShutdown(log);



      close:		/* close external log device */

	bdev_release(bdev_handle);

	fput(bdev_file);



      free:		/* free log descriptor */

	mutex_unlock(&jfs_log_mutex);
@@ -1162,7 +1162,7 @@ static int open_inline_log(struct super_block *sb) 
	init_waitqueue_head(&log->syncwait);



	set_bit(log_INLINELOG, &log->flag);

	log->bdev_handle = sb_bdev_handle(sb);

	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);
@@ -1436,7 +1436,7 @@ int lmLogClose(struct super_block *sb) 
{

	struct jfs_sb_info *sbi = JFS_SBI(sb);

	struct jfs_log *log = sbi->log;

	struct bdev_handle *bdev_handle;

	struct file *bdev_file;

	int rc = 0;



	jfs_info("lmLogClose: log:0x%p", log);
@@ -1482,10 +1482,10 @@ int lmLogClose(struct super_block *sb) 
	 *	external log as separate logical volume

	 */

	list_del(&log->journal_list);

	bdev_handle = log->bdev_handle;

	bdev_file = log->bdev_file;

	rc = lmLogShutdown(log);



	bdev_release(bdev_handle);

	fput(bdev_file);



	kfree(log);
@@ -1972,7 +1972,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) 


	bp->l_flag |= lbmREAD;



	bio = bio_alloc(log->bdev_handle->bdev, 1, REQ_OP_READ, GFP_NOFS);

	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_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);

	BUG_ON(bio->bi_iter.bi_size != LOGPSIZE);
@@ -2115,7 +2115,7 @@ static void lbmStartIO(struct lbuf * bp) 
	jfs_info("lbmStartIO");



	if (!log->no_integrity)

		bdev = log->bdev_handle->bdev;

		bdev = file_bdev(log->bdev_file);



	bio = bio_alloc(bdev, 1, REQ_OP_WRITE | REQ_SYNC,

			GFP_NOFS);

fs/jfs/jfs_logmgr.h

+1 −1
Original line number Diff line number Diff line
@@ -356,7 +356,7 @@ struct jfs_log { 
				 *    before writing syncpt.

				 */

	struct list_head journal_list; /* Global list */

	struct bdev_handle *bdev_handle; /* 4: log lv pointer */

	struct file *bdev_file;	/* 4: log lv pointer */

	int serial;		/* 4: log mount serial number */



	s64 base;		/* @8: log extent address (inline log ) */

fs/jfs/jfs_mount.c

+1 −1
Original line number Diff line number Diff line
@@ -431,7 +431,7 @@ int updateSuper(struct super_block *sb, uint state) 
	if (state == FM_MOUNT) {

		/* record log's dev_t and mount serial number */

		j_sb->s_logdev = cpu_to_le32(

			new_encode_dev(sbi->log->bdev_handle->bdev->bd_dev));

			new_encode_dev(file_bdev(sbi->log->bdev_file)->bd_dev));

		j_sb->s_logserial = cpu_to_le32(sbi->log->serial);

	} else if (state == FM_CLEAN) {

		/*