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ext4: simplify updating of fast commit stats

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Move fast commit stats updating logic to a separate function from
ext4_fc_commit(). This significantly improves readability of
ext4_fc_commit().

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20211223202140.2061101-4-harshads@google.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Harshad Shirwadkar 2021-12-23 12:21:39 -08:00 • committed by Theodore Ts'o
parent 7bbbe241ec
commit 0915e464cb
3 changed files with 67 additions and 58 deletions
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25
fs/ext4/fast_commit.h
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@ -71,21 +71,19 @@ struct ext4_fc_tail {
};
/*
* Fast commit reason codes
* Fast commit status codes
*/
enum {
/*
* Commit status codes:
*/
EXT4_FC_REASON_OK = 0,
EXT4_FC_REASON_INELIGIBLE,
EXT4_FC_REASON_ALREADY_COMMITTED,
EXT4_FC_REASON_FC_START_FAILED,
EXT4_FC_REASON_FC_FAILED,
EXT4_FC_STATUS_OK = 0,
EXT4_FC_STATUS_INELIGIBLE,
EXT4_FC_STATUS_SKIPPED,
EXT4_FC_STATUS_FAILED,
};
/*
* Fast commit ineligiblity reasons:
*/
/*
* Fast commit ineligiblity reasons:
*/
enum {
EXT4_FC_REASON_XATTR = 0,
EXT4_FC_REASON_CROSS_RENAME,
EXT4_FC_REASON_JOURNAL_FLAG_CHANGE,
@ -117,7 +115,10 @@ struct ext4_fc_stats {
unsigned int fc_ineligible_reason_count[EXT4_FC_REASON_MAX];
unsigned long fc_num_commits;
unsigned long fc_ineligible_commits;
unsigned long fc_failed_commits;
unsigned long fc_skipped_commits;
unsigned long fc_numblks;
u64 s_fc_avg_commit_time;
};
#define EXT4_FC_REPLAY_REALLOC_INCREMENT 4