From: Jan Kara jack@suse.cz
mainline inclusion from mainline-v6.7-rc1 commit 2b107946f80ae29032dd88482b6a3a561d1b35b0 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8KPBR CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h...
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Convert f2fs to use bdev_open_by_dev/path() and pass the handle around.
CC: Jaegeuk Kim jaegeuk@kernel.org CC: Chao Yu chao@kernel.org CC: linux-f2fs-devel@lists.sourceforge.net 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/20230927093442.25915-23-jack@suse.cz Signed-off-by: Christian Brauner brauner@kernel.org Signed-off-by: Li Lingfeng lilingfeng3@huawei.com --- fs/f2fs/f2fs.h | 1 + fs/f2fs/super.c | 13 +++++++------ 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 6d688e42d89c..3878288122ee 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1234,6 +1234,7 @@ struct f2fs_bio_info { #define FDEV(i) (sbi->devs[i]) #define RDEV(i) (raw_super->devs[i]) struct f2fs_dev_info { + struct bdev_handle *bdev_handle; struct block_device *bdev; char path[MAX_PATH_LEN]; unsigned int total_segments; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index bc303a052215..a8053889e076 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1595,7 +1595,7 @@ static void destroy_device_list(struct f2fs_sb_info *sbi)
for (i = 0; i < sbi->s_ndevs; i++) { if (i > 0) - blkdev_put(FDEV(i).bdev, sbi->sb); + bdev_release(FDEV(i).bdev_handle); #ifdef CONFIG_BLK_DEV_ZONED kvfree(FDEV(i).blkz_seq); #endif @@ -4231,7 +4231,7 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
for (i = 0; i < max_devices; i++) { if (i == 0) - FDEV(0).bdev = sbi->sb->s_bdev; + FDEV(0).bdev_handle = sbi->sb->s_bdev_handle; else if (!RDEV(i).path[0]) break;
@@ -4251,13 +4251,14 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi) FDEV(i).end_blk = FDEV(i).start_blk + (FDEV(i).total_segments << sbi->log_blocks_per_seg) - 1; - FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, - mode, sbi->sb, NULL); + FDEV(i).bdev_handle = bdev_open_by_path( + FDEV(i).path, mode, sbi->sb, NULL); } } - if (IS_ERR(FDEV(i).bdev)) - return PTR_ERR(FDEV(i).bdev); + if (IS_ERR(FDEV(i).bdev_handle)) + return PTR_ERR(FDEV(i).bdev_handle);
+ FDEV(i).bdev = FDEV(i).bdev_handle->bdev; /* to release errored devices */ sbi->s_ndevs = i + 1;