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erofs: remove obsoleted comments 

Some comments haven't been useful anymore since the code updated.
Let's drop them instead.

Link: https://lore.kernel.org/r/20220506194612.117120-2-hsiangkao@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Gao Xiang 2022-05-07 03:46:11 +08:00
parent 1e59af07c7
commit 1f7aa6caef
2 changed files with 0 additions and 30 deletions
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5
fs/erofs/inode.c
View File

@ -8,11 +8,6 @@
#include <trace/events/erofs.h>
/*
* if inode is successfully read, return its inode page (or sometimes
* the inode payload page if it's an extended inode) in order to fill
* inline data if possible.
*/
static void *erofs_read_inode(struct erofs_buf *buf,
struct inode *inode, unsigned int *ofs)
{

25
fs/erofs/internal.h
View File

@ -381,31 +381,6 @@ extern const struct super_operations erofs_sops;
extern const struct address_space_operations erofs_raw_access_aops;
extern const struct address_space_operations z_erofs_aops;
/*
* Logical to physical block mapping
*
* Different with other file systems, it is used for 2 access modes:
*
* 1) RAW access mode:
*
* Users pass a valid (m_lblk, m_lofs -- usually 0) pair,
* and get the valid m_pblk, m_pofs and the longest m_len(in bytes).
*
* Note that m_lblk in the RAW access mode refers to the number of
* the compressed ondisk block rather than the uncompressed
* in-memory block for the compressed file.
*
* m_pofs equals to m_lofs except for the inline data page.
*
* 2) Normal access mode:
*
* If the inode is not compressed, it has no difference with
* the RAW access mode. However, if the inode is compressed,
* users should pass a valid (m_lblk, m_lofs) pair, and get
* the needed m_pblk, m_pofs, m_len to get the compressed data
* and the updated m_lblk, m_lofs which indicates the start
* of the corresponding uncompressed data in the file.
*/
enum {
BH_Encoded = BH_PrivateStart,
BH_FullMapped,