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ext4: add EXT4_LBLK_TO_B macro for logical block to bytes conversion

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No functional changes.

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Message-ID: <20251121090654.631996-10-libaokun@huaweicloud.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Baokun Li
2025-11-21 17:06:39 +08:00
committed by Theodore Ts'o
parent 609c5e0081
commit 125d1f6a5a
5 changed files with 15 additions and 18 deletions
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1
fs/ext4/ext4.h
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@@ -368,6 +368,7 @@ struct ext4_io_submit {
blkbits))
#define EXT4_B_TO_LBLK(inode, offset) \
(round_up((offset), i_blocksize(inode)) >> (inode)->i_blkbits)
#define EXT4_LBLK_TO_B(inode, lblk) ((loff_t)(lblk) << (inode)->i_blkbits)
/* Translate a block number to a cluster number */
#define EXT4_B2C(sbi, blk) ((blk) >> (sbi)->s_cluster_bits)