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cifs: minor clarification in comments

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Clarify meaning (in comments) meaning of various
options for debug messages in cifs.ko. Also fixed
trivial formatting/style issue with previous patch.

Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Steve French 2018-10-07 13:52:18 -05:00
parent f80eaedd6c
commit 8c1beb9801
2 changed files with 16 additions and 2 deletions
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12
fs/cifs/cifs_debug.h
View File

@ -47,6 +47,18 @@ extern int cifsFYI;
*/
#ifdef CONFIG_CIFS_DEBUG
/*
* When adding tracepoints and debug messages we have various choices.
* Some considerations:
*
* Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
* cifs_info(...) slightly less important, admin can filter via loglevel > 6
* cifs_dbg(FYI, ...) minor debugging messages, off by default
* trace_smb3_* ftrace functions are preferred for complex debug messages
* intended for developers or experienced admins, off by default
*/
/* Information level messages, minor events */
#define cifs_info_func(ratefunc, fmt, ...) \
do { \

6
fs/cifs/cifsfs.c
View File

@ -717,8 +717,10 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
struct cifs_mnt_data mnt_data;
struct dentry *root;
/* Prints in Kernel / CIFS log the attempted mount operation *
* IF CIFS_DEBUG && cifs_FYI */
/*
* Prints in Kernel / CIFS log the attempted mount operation
* If CIFS_DEBUG && cifs_FYI
*/
if (cifsFYI)
cifs_dbg(FYI, "Devname: %s flags: %d\n", dev_name, flags);
else