Re: [PATCH v5 3/3] scsi: qla2xxx: Use DEFINE_SHOW_STORE_ATTRIBUTE helper for debugfs

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On 2023/9/4 18:56, Andy Shevchenko wrote:
On Mon, Sep 04, 2023 at 08:48:04AM +0000, Xingui Yang wrote:
Use DEFINE_SHOW_STORE_ATTRIBUTE helper for read-write file to reduce some
duplicated code and delete unused macros.

Signed-off-by: Luo Jiaxing <luojiaxing@xxxxxxxxxx>
Signed-off-by: Xingui Yang <yangxingui@xxxxxxxxxx>

Same comments as per previous patch.

...

-/*
- * Helper macros for setting up debugfs entries.
- * _name: The name of the debugfs entry
- * _ctx_struct: The context that was passed when creating the debugfs file
- *
- * QLA_DFS_SETUP_RD could be used when there is only a show function.
- * - show function take the name qla_dfs_<sysfs-name>_show
- *
- * QLA_DFS_SETUP_RW could be used when there are both show and write functions.
- * - show function take the name  qla_dfs_<sysfs-name>_show
- * - write function take the name qla_dfs_<sysfs-name>_write
- *
- * To have a new debugfs entry, do:
- * 1. Create a "struct dentry *" in the appropriate structure in the format
- * dfs_<sysfs-name>
- * 2. Setup debugfs entries using QLA_DFS_SETUP_RD / QLA_DFS_SETUP_RW
- * 3. Create debugfs file in qla2x00_dfs_setup() using QLA_DFS_CREATE_FILE
- * or QLA_DFS_ROOT_CREATE_FILE
- * 4. Remove debugfs file in qla2x00_dfs_remove() using QLA_DFS_REMOVE_FILE
- * or QLA_DFS_ROOT_REMOVE_FILE
- *
- * Example for creating "TEST" sysfs file:
- * 1. struct qla_hw_data { ... struct dentry *dfs_TEST; }
- * 2. QLA_DFS_SETUP_RD(TEST, scsi_qla_host_t);
- * 3. In qla2x00_dfs_setup():
- * QLA_DFS_CREATE_FILE(ha, TEST, 0600, ha->dfs_dir, vha);
- * 4. In qla2x00_dfs_remove():
- * QLA_DFS_REMOVE_FILE(ha, TEST);
- */

I believe this comment (in some form) has to be preserved.
Try to rewrite it using reference to the new macro.
Thanks for your reply, I checked and these macros aren't being called anywhere else, so I decided to delete them all. Of course, maybe this macro will be used in the future, and I can resubmit another version based on your suggestion.

Thanks.
Xingui

Otherwise looks good to me.




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