[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH block/for-next v2 11/16] ext4: use new helper to get inode from block_device
From: Yu Kuai <yukuai3@xxxxxxxxxx> Which is more efficiency, and also prepare to remove the field 'bd_inode' from block_device. Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> --- fs/ext4/dir.c | 2 +- fs/ext4/ext4_jbd2.c | 2 +- fs/ext4/super.c | 8 ++++---- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 3985f8c33f95..6e9fe408642b 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -192,7 +192,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) (PAGE_SHIFT - inode->i_blkbits); if (!ra_has_index(&file->f_ra, index)) page_cache_sync_readahead( - sb->s_bdev->bd_inode->i_mapping, + bdev_inode(sb->s_bdev)->i_mapping, &file->f_ra, file, index, 1); file->f_ra.prev_pos = (loff_t)index << PAGE_SHIFT; diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index d1a2e6624401..e0e7f71d022d 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -206,7 +206,7 @@ static void ext4_journal_abort_handle(const char *caller, unsigned int line, static void ext4_check_bdev_write_error(struct super_block *sb) { - struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping; + struct address_space *mapping = bdev_inode(sb->s_bdev)->i_mapping; struct ext4_sb_info *sbi = EXT4_SB(sb); int err; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c5fcf377ab1f..da6af2205e55 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -244,7 +244,7 @@ static struct buffer_head *__ext4_sb_bread_gfp(struct super_block *sb, struct buffer_head *ext4_sb_bread(struct super_block *sb, sector_t block, blk_opf_t op_flags) { - gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_inode->i_mapping, + gfp_t gfp = mapping_gfp_constraint(bdev_inode(sb->s_bdev)->i_mapping, ~__GFP_FS) | __GFP_MOVABLE; return __ext4_sb_bread_gfp(sb, block, op_flags, gfp); @@ -253,7 +253,7 @@ struct buffer_head *ext4_sb_bread(struct super_block *sb, sector_t block, struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb, sector_t block) { - gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_inode->i_mapping, + gfp_t gfp = mapping_gfp_constraint(bdev_inode(sb->s_bdev)->i_mapping, ~__GFP_FS); return __ext4_sb_bread_gfp(sb, block, 0, gfp); @@ -502,7 +502,7 @@ static void ext4_maybe_update_superblock(struct super_block *sb) */ static int block_device_ejected(struct super_block *sb) { - struct inode *bd_inode = sb->s_bdev->bd_inode; + struct inode *bd_inode = bdev_inode(sb->s_bdev); struct backing_dev_info *bdi = inode_to_bdi(bd_inode); return bdi->dev == NULL; @@ -5585,7 +5585,7 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) * used to detect the metadata async write error. */ spin_lock_init(&sbi->s_bdev_wb_lock); - errseq_check_and_advance(&sb->s_bdev->bd_inode->i_mapping->wb_err, + errseq_check_and_advance(&bdev_inode(sb->s_bdev)->i_mapping->wb_err, &sbi->s_bdev_wb_err); EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; ext4_orphan_cleanup(sb, es); -- 2.39.2
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