On Sat, Jul 16, 2022 at 10:43:53PM +0200, Fabio M. De Francesco wrote:
> static inline void f2fs_copy_page(struct page *src, struct page *dst)
> {
> - char *src_kaddr = kmap(src);
> - char *dst_kaddr = kmap(dst);
>
> - memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
> - kunmap(dst);
>
From: Fengnan Chang
Since pvec have 15 pages, it not a multiple of 4, when write compressed
pages, write in 64K as a unit, it will call pagevec_lookup_range_tag
agagin, sometimes this will take a lot of time.
Use onstack pages instead of pvec to mitigate this problem.
Signed-off-by: Fengnan Chan
From: Fengnan Chang
Try to support compressed file write and amplifiction accounting.
Signed-off-by: Fengnan Chang
---
fs/f2fs/data.c | 26 +-
fs/f2fs/debug.c | 7 +--
fs/f2fs/f2fs.h | 34 ++
3 files changed, 60 insertions(+), 7 de
From: Fengnan Chang
Optimise f2fs_write_cache_pages, and support compressed file write/read
amplifiction accounting.
Fengnan Chang (3):
f2fs: intorduce f2fs_all_cluster_page_ready
f2fs: use onstack pages instead of pvec
f2fs: support compressed file write/read amplifiction
fs/f2fs/compre
From: Fengnan Chang
When write total cluster, all pages is uptodate, there is no need to call
f2fs_prepare_compress_overwrite, intorduce f2fs_all_cluster_page_ready
to avoid this.
Signed-off-by: Fengnan Chang
---
fs/f2fs/compress.c | 17 +
fs/f2fs/data.c | 8 ++--
fs/f
https://bugzilla.kernel.org/show_bug.cgi?id=216162
Chao Yu (c...@kernel.org) changed:
What|Removed |Added
CC||c...@kernel.org
--- Comment #
On 2022/6/24 2:12, Bart Van Assche wrote:
Since the size of struct f2fs_summary_block equals F2FS_BLKSIZE, use
F2FS_BLKSIZE instead of PAGE_CACHE_SIZE as the size of struct
f2fs_summary_block.
Signed-off-by: Bart Van Assche
Reviewed-by: Chao Yu
Thanks,
On 2022/6/24 2:12, Bart Van Assche wrote:
Use F2FS_BLKSIZE instead of PAGE_SIZE for dev_read_block() buffers since
dev_read_block() reads F2FS_BLKSIZE bytes.
Signed-off-by: Bart Van Assche
Reviewed-by: Chao Yu
Thanks,
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Linux-f2fs-devel mailin
On 2022/6/24 2:12, Bart Van Assche wrote:
Change the type of the third argument of f2fs_report_zone() from void *
into struct blk_zone * to enable type checking.
Signed-off-by: Bart Van Assche
Reviewed-by: Chao Yu
Thanks,
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Linux-f2fs-devel ma
On 2022/6/24 2:12, Bart Van Assche wrote:
The definition of struct blk_zone_report is as follows:
struct blk_zone_report {
__u64 sector;
__u32 nr_zones;
__u32 flags;
struct blk_zone zones[0];
On 2022/6/24 2:12, Bart Van Assche wrote:
Fix the struct f2fs_dentry_block definition on systems for which
PAGE_SIZE != 4096. This patch does not change the struct f2fs_dentry_block
definition if PAGE_SIZE == 4096.
Cc: Peter Collingbourne
Reported-by: Peter Collingbourne
Signed-off-by: Bart Va
On 2022/6/22 0:07, Jaegeuk Kim wrote:
Can we do like this which has no functional change but refactored
some functions?
---
fs/f2fs/compress.c | 208 -
fs/f2fs/data.c | 52
fs/f2fs/f2fs.h | 17 ++--
3 files changed, 172 inse
The use of kmap() is being deprecated in favor of kmap_local_page().
Two main problems with kmap(): (1) It comes with an overhead as mapping
space is restricted and protected by a global lock for synchronization and
(2) it also requires global TLB invalidation when the kmap’s pool wraps
and it mig
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