Hi, this series contain some random cleanup patches and some bugfix
patches to make EXT4_MB_HINT_GOAL_ONLY work properly, protect pa->pa_free
from race and so on. More details can be found in git log.
Thanks!
---
V2:
-Add signed-off from Ritesh and Ojaswin to patch 3/20 "ext4: get correct
ext4_group_info in ext4_mb_prefetch_fini" as this is a duplicate of
a patch under reviewing.
-Split out original patch "ext4: avoid to use preallocated blocks if
EXT4_MB_HINT_GOAL_ONLY is set" which will be resend after improved.
-Improve log information of patch 20.
-Collect Reviewed-by from Ojaswin and Ritesh. Now only patch 3, 12 and
20 need futher review.
---
Kemeng Shi (20):
ext4: set goal start correctly in ext4_mb_normalize_request
ext4: allow to find by goal if EXT4_MB_HINT_GOAL_ONLY is set
ext4: get correct ext4_group_info in ext4_mb_prefetch_fini
ext4: correct calculation of s_mb_preallocated
ext4: correct start of used group pa for debug in ext4_mb_use_group_pa
ext4: protect pa->pa_free in ext4_discard_allocated_blocks
ext4: add missed brelse in ext4_free_blocks_simple
ext4: remove unused return value of ext4_mb_try_best_found and
ext4_mb_free_metadata
ext4: Remove unnecessary release when memory allocation failed in
ext4_mb_init_cache
ext4: remove unnecessary e4b->bd_buddy_page check in
ext4_mb_load_buddy_gfp
ext4: remove unnecessary check in ext4_mb_new_blocks
ext4: remove dead check in mb_buddy_mark_free
ext4: remove ac->ac_found > sbi->s_mb_min_to_scan dead check in
ext4_mb_check_limits
ext4: use best found when complex scan of group finishs
ext4: remove unnecessary exit_meta_group_info tag
ext4: remove unnecessary count2 in ext4_free_data_in_buddy
ext4: remove unnecessary goto in ext4_mb_mark_diskspace_used
ext4: remove repeat assignment to ac_f_ex
ext4: remove comment code ext4_discard_preallocations
ext4: simplify calculation of blkoff in ext4_mb_new_blocks_simple
fs/ext4/mballoc.c | 104 +++++++++++++++++-----------------------------
1 file changed, 38 insertions(+), 66 deletions(-)
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2.30.0
