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| H A D | xattr.h | diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
| H A D | node.h | diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
| H A D | segment.h | diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
| H A D | node.c | diff 68e79baf Mon Jul 20 21:49:14 MDT 2020 Jia Yang <jiayang5@huawei.com> f2fs: Change the type of f2fs_flush_inline_data() to void The return value of f2fs_flush_inline_data() is not used, so delete it. Signed-off-by: Jia Yang <jiayang5@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68c43a23 Sun Jul 01 20:40:19 MDT 2018 Yunlei He <heyunlei@huawei.com> f2fs: check the right return value of memory alloc function This patch check the right return value of memory alloc function Signed-off-by: Yunlei He <heyunlei@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
| H A D | f2fs.h | diff 261eeb9c Mon Jan 18 17:00:42 MST 2021 Daeho Jeong <daehojeong@google.com> f2fs: introduce checkpoint_merge mount option We've added a new mount options, "checkpoint_merge" and "nocheckpoint_merge", which creates a kernel daemon and makes it to merge concurrent checkpoint requests as much as possible to eliminate redundant checkpoint issues. Plus, we can eliminate the sluggish issue caused by slow checkpoint operation when the checkpoint is done in a process context in a cgroup having low i/o budget and cpu shares. To make this do better, we set the default i/o priority of the kernel daemon to "3", to give one higher priority than other kernel threads. The below verification result explains this. The basic idea has come from https://opensource.samsung.com. [Verification] Android Pixel Device(ARM64, 7GB RAM, 256GB UFS) Create two I/O cgroups (fg w/ weight 100, bg w/ wight 20) Set "strict_guarantees" to "1" in BFQ tunables In "fg" cgroup, - thread A => trigger 1000 checkpoint operations "for i in `seq 1 1000`; do touch test_dir1/file; fsync test_dir1; done" - thread B => gererating async. I/O "fio --rw=write --numjobs=1 --bs=128k --runtime=3600 --time_based=1 --filename=test_img --name=test" In "bg" cgroup, - thread C => trigger repeated checkpoint operations "echo $$ > /dev/blkio/bg/tasks; while true; do touch test_dir2/file; fsync test_dir2; done" We've measured thread A's execution time. [ w/o patch ] Elapsed Time: Avg. 68 seconds [ w/ patch ] Elapsed Time: Avg. 48 seconds Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> [Jaegeuk Kim: fix the return value in f2fs_start_ckpt_thread, reported by Dan] Signed-off-by: Daeho Jeong <daehojeong@google.com> Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68e79baf Mon Jul 20 21:49:14 MDT 2020 Jia Yang <jiayang5@huawei.com> f2fs: Change the type of f2fs_flush_inline_data() to void The return value of f2fs_flush_inline_data() is not used, so delete it. Signed-off-by: Jia Yang <jiayang5@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68afcf2d Sat Apr 08 17:11:36 MDT 2017 Tomohiro Kusumi <tkusumi@tuxera.com> f2fs: guard macro variables with braces Add braces around variables used within macros for those make sense to do it. Many of the macros in f2fs already do this. What this commit doesn't do is anything that changes line# as a result of adding braces, which usually affects the binary via __LINE__. Confirmed no diff in fs/f2fs/f2fs.ko before/after this commit on x86_64, to make sure this has no functional change as well as there's been no unexpected side effect due to callers' arithmetics within the existing code. Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 68e35385 Fri Jan 08 05:22:52 MST 2016 Chao Yu <chao@kernel.org> f2fs: use atomic type for node count in extent tree 1. rename field in struct extent_tree from count to node_cnt for readability. 2. alter to use atomic type for node_cnt. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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