[f2fs-dev] [PATCH] f2fs: change to use rwsem for cp_mutex

Use rwsem to ensure serialization of the callers and to avoid starvation of high priority tasks, when the system is under heavy IO workload. Signed-off-by: Sahitya Tummala --- fs/f2fs/checkpoint.c | 8 fs/f2fs/f2fs.h | 2 +- fs/f2fs/gc.c | 4 ++-- fs/f2fs/recovery.c | 4

[f2fs-dev] Message undeliverable: 感谢您订阅派递小哥韩常钧

Your message did not reach some or all of the intended recipients. Sent: Mon, 23 Nov 2020 12:31:39 +0800 Subject: 感谢您订阅派递小哥韩常钧(Shine),快件查收地址:山阴路124号 The following recipient(s) could not be reached: 1696103...@qq.com Error Type: SMTP Remote server (113.96.208.206) issued an error.

[f2fs-dev] [PATCH 1/2] f2fs: add compress_mode mount option

From: Daeho Jeong We will add a new "compress_mode" mount option to control file compression mode. This supports "fs-based" and "user-based". In "fs-based" mode (default), f2fs does automatic compression on the compression enabled files. In "user-based" mode, f2fs disables the automaic

[f2fs-dev] [PATCH 2/2] f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE

From: Daeho Jeong Added two ioctl to decompress/compress explicitly the compression enabled file in "compress_mode=user-based" mount option. Using these two ioctls, the users can make a control of compression and decompression of their files. Signed-off-by: Daeho Jeong --- fs/f2fs/file.c