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H A D | super.c | diff afbb8ff6 Fri Feb 16 14:52:25 MST 2024 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: print zone status in string and some log No functional change, but add some more logs. Note, it includes the spelling mistakes pointed by Colin Ian King. Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 4d4c5938 Fri Feb 16 14:23:30 MST 2024 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: fix write pointers all the time Even if the roll forward recovery stopped due to any error, we have to fix the write pointers in order to mount the disk from the previous checkpoint. Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff a60108f7 Tue Feb 06 14:56:27 MST 2024 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC No functional change. Reviewed-by: Daeho Jeong <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff be2760a7 Tue Feb 20 22:14:10 MST 2024 Gabriel Krisman Bertazi <krisman@suse.de> f2fs: Configure dentry operations at dentry-creation time This was already the case for case-insensitive before commit bb9cd9106b22 ("fscrypt: Have filesystems handle their d_ops"), but it was changed to set at lookup-time to facilitate the integration with fscrypt. But it's a problem because dentries that don't get created through ->lookup() won't have any visibility of the operations. Since fscrypt now also supports configuring dentry operations at creation-time, do it for any encrypted and/or casefold volume, simplifying the implementation across these features. Reviewed-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240221171412.10710-9-krisman@suse.de Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> diff 275dca46 Wed Dec 27 10:14:28 MST 2023 Eric Biggers <ebiggers@google.com> f2fs: move release of block devices to after kill_block_super() Call destroy_device_list() and free the f2fs_sb_info from kill_f2fs_super(), after the call to kill_block_super(). This is necessary to order it after the call to fscrypt_destroy_keyring() once generic_shutdown_super() starts calling fscrypt_destroy_keyring() just after calling ->put_super. This is because fscrypt_destroy_keyring() may call into f2fs_get_devices() via the fscrypt_operations. Reviewed-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20231227171429.9223-2-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com> diff 901c12d1 Wed May 17 20:14:12 MDT 2023 Chao Yu <chao@kernel.org> f2fs: flush error flags in workqueue In IRQ context, it wakes up workqueue to record errors into on-disk superblock fields rather than in-memory fields. Fixes: 1aa161e43106 ("f2fs: fix scheduling while atomic in decompression path") Fixes: 95fa90c9e5a7 ("f2fs: support recording errors into superblock") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff b1c5ef26 Thu Jan 12 12:14:04 MST 2023 Yangtao Li <frank.li@vivo.com> f2fs: return true if all cmd were issued or no cmd need to be issued for f2fs_issue_discard_timeout() f2fs_issue_discard_timeout() returns whether discard cmds are dropped, which does not match the meaning of the function. Let's change it to return whether all discard cmd are issued. After commit 4d67490498ac ("f2fs: Don't create discard thread when device doesn't support realtime discard"), f2fs_issue_discard_timeout() is alse called by f2fs_remount(). Since the comments of f2fs_issue_discard_timeout() doesn't make much sense, let's update it. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 71644dff Thu Dec 01 18:37:15 MST 2022 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: add block_age-based extent cache This patch introduces a runtime hot/cold data separation method for f2fs, in order to improve the accuracy for data temperature classification, reduce the garbage collection overhead after long-term data updates. Enhanced hot/cold data separation can record data block update frequency as "age" of the extent per inode, and take use of the age info to indicate better temperature type for data block allocation: - It records total data blocks allocated since mount; - When file extent has been updated, it calculate the count of data blocks allocated since last update as the age of the extent; - Before the data block allocated, it searches for the age info and chooses the suitable segment for allocation. Test and result: - Prepare: create about 30000 files * 3% for cold files (with cold file extension like .apk, from 3M to 10M) * 50% for warm files (with random file extension like .FcDxq, from 1K to 4M) * 47% for hot files (with hot file extension like .db, from 1K to 256K) - create(5%)/random update(90%)/delete(5%) the files * total write amount is about 70G * fsync will be called for .db files, and buffered write will be used for other files The storage of test device is large enough(128G) so that it will not switch to SSR mode during the test. Benefit: dirty segment count increment reduce about 14% - before: Dirty +21110 - after: Dirty +18286 Signed-off-by: qixiaoyu1 <qixiaoyu1@xiaomi.com> Signed-off-by: xiongping1 <xiongping1@xiaomi.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 66aee5aa Mon Nov 14 23:35:37 MST 2022 Yuwei Guan <ssawgyw@gmail.com> f2fs: change type for 'sbi->readdir_ra' Before this patch, the varibale 'readdir_ra' takes effect if it's equal to '1' or not, so we can change type for it from 'int' to 'bool'. Signed-off-by: Yuwei Guan <Yuwei.Guan@zeekrlife.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 777cd95b Mon Nov 14 23:35:36 MST 2022 Yuwei Guan <ssawgyw@gmail.com> f2fs: cleanup for 'f2fs_tuning_parameters' function A cleanup patch for 'f2fs_tuning_parameters' function. Signed-off-by: Yuwei Guan <Yuwei.Guan@zeekrlife.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
H A D | file.c | diff a60108f7 Tue Feb 06 14:56:27 MST 2024 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC No functional change. Reviewed-by: Daeho Jeong <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 025b3602 Tue Jul 11 14:08:06 MDT 2023 Chao Yu <chao@kernel.org> f2fs: compress: don't {,de}compress non-full cluster f2fs won't compress non-full cluster in tail of file, let's skip dirtying and rewrite such cluster during f2fs_ioc_{,de}compress_file. Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 3a2c0e55 Tue Jul 11 14:08:05 MDT 2023 Chao Yu <chao@kernel.org> f2fs: allow f2fs_ioc_{,de}compress_file to be interrupted This patch allows f2fs_ioc_{,de}compress_file() to be interrupted, so that, userspace won't be blocked when manual {,de}compression on large file is interrupted by signal. Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff b5ab3276 Wed Jul 05 20:06:14 MDT 2023 Chao Yu <chao@kernel.org> f2fs: fix to avoid mmap vs set_compress_option case Compression option in inode should not be changed after they have been used, however, it may happen in below race case: Thread A Thread B - f2fs_ioc_set_compress_option - check f2fs_is_mmap_file() - check get_dirty_pages() - check F2FS_HAS_BLOCKS() - f2fs_file_mmap - set_inode_flag(FI_MMAP_FILE) - fault - do_page_mkwrite - f2fs_vm_page_mkwrite - f2fs_get_block_locked - fault_dirty_shared_page - set_page_dirty - update i_compress_algorithm - update i_log_cluster_size - update i_cluster_size Avoid such race condition by covering f2fs_file_mmap() w/ i_sem lock, meanwhile add mmap file check condition in f2fs_may_compress() as well. Fixes: e1e8debec656 ("f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 55847850 Fri Apr 14 04:43:08 MDT 2023 Wu Bo <bo.wu@vivo.com> f2fs: allocate trace path buffer from names_cache It would be better to use the dedicated slab to store path. Signed-off-by: Wu Bo <bo.wu@vivo.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff ddf1eca4 Tue Feb 14 23:17:01 MST 2023 Yangtao Li <frank.li@vivo.com> f2fs: drop unnecessary arg for f2fs_ioc_*() They are not used, let's remove them. Signed-off-by: Yangtao Li <frank.li@vivo.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 71644dff Thu Dec 01 18:37:15 MST 2022 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: add block_age-based extent cache This patch introduces a runtime hot/cold data separation method for f2fs, in order to improve the accuracy for data temperature classification, reduce the garbage collection overhead after long-term data updates. Enhanced hot/cold data separation can record data block update frequency as "age" of the extent per inode, and take use of the age info to indicate better temperature type for data block allocation: - It records total data blocks allocated since mount; - When file extent has been updated, it calculate the count of data blocks allocated since last update as the age of the extent; - Before the data block allocated, it searches for the age info and chooses the suitable segment for allocation. Test and result: - Prepare: create about 30000 files * 3% for cold files (with cold file extension like .apk, from 3M to 10M) * 50% for warm files (with random file extension like .FcDxq, from 1K to 4M) * 47% for hot files (with hot file extension like .db, from 1K to 256K) - create(5%)/random update(90%)/delete(5%) the files * total write amount is about 70G * fsync will be called for .db files, and buffered write will be used for other files The storage of test device is large enough(128G) so that it will not switch to SSR mode during the test. Benefit: dirty segment count increment reduce about 14% - before: Dirty +21110 - after: Dirty +18286 Signed-off-by: qixiaoyu1 <qixiaoyu1@xiaomi.com> Signed-off-by: xiongping1 <xiongping1@xiaomi.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff b27c82e1 Tue Jun 21 08:14:54 MDT 2022 Christian Brauner <brauner@kernel.org> attr: port attribute changes to new types Now that we introduced new infrastructure to increase the type safety for filesystems supporting idmapped mounts port the first part of the vfs over to them. This ports the attribute changes codepaths to rely on the new better helpers using a dedicated type. Before this change we used to take a shortcut and place the actual values that would be written to inode->i_{g,u}id into struct iattr. This had the advantage that we moved idmappings mostly out of the picture early on but it made reasoning about changes more difficult than it should be. The filesystem was never explicitly told that it dealt with an idmapped mount. The transition to the value that needed to be stored in inode->i_{g,u}id appeared way too early and increased the probability of bugs in various codepaths. We know place the same value in struct iattr no matter if this is an idmapped mount or not. The vfs will only deal with type safe vfs{g,u}id_t. This makes it massively safer to perform permission checks as the type will tell us what checks we need to perform and what helpers we need to use. Fileystems raising FS_ALLOW_IDMAP can't simply write ia_vfs{g,u}id to inode->i_{g,u}id since they are different types. Instead they need to use the dedicated vfs{g,u}id_to_k{g,u}id() helpers that map the vfs{g,u}id into the filesystem. The other nice effect is that filesystems like overlayfs don't need to care about idmappings explicitly anymore and can simply set up struct iattr accordingly directly. Link: https://lore.kernel.org/lkml/CAHk-=win6+ahs1EwLkcq8apqLi_1wXFWbrPf340zYEhObpz4jA@mail.gmail.com [1] Link: https://lore.kernel.org/r/20220621141454.2914719-9-brauner@kernel.org Cc: Seth Forshee <sforshee@digitalocean.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> CC: linux-fsdevel@vger.kernel.org Reviewed-by: Seth Forshee <sforshee@digitalocean.com> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org> diff 71e7b535 Tue Jun 21 08:14:52 MDT 2022 Christian Brauner <brauner@kernel.org> quota: port quota helpers mount ids Port the is_quota_modification() and dqout_transfer() helper to type safe vfs{g,u}id_t. Since these helpers are only called by a few filesystems don't introduce a new helper but simply extend the existing helpers to pass down the mount's idmapping. Note, that this is a non-functional change, i.e. nothing will have happened here or at the end of this series to how quota are done! This a change necessary because we will at the end of this series make ownership changes easier to reason about by keeping the original value in struct iattr for both non-idmapped and idmapped mounts. For now we always pass the initial idmapping which makes the idmapping functions these helpers call nops. This is done because we currently always pass the actual value to be written to i_{g,u}id via struct iattr. While this allowed us to treat the {g,u}id values in struct iattr as values that can be directly written to inode->i_{g,u}id it also increases the potential for confusion for filesystems. Now that we are have dedicated types to prevent this confusion we will ultimately only map the value from the idmapped mount into a filesystem value that can be written to inode->i_{g,u}id when the filesystem actually updates the inode. So pass down the initial idmapping until we finished that conversion at which point we pass down the mount's idmapping. Since struct iattr uses an anonymous union with overlapping types as supported by the C standard, filesystems that haven't converted to ia_vfs{g,u}id won't see any difference and things will continue to work as before. In other words, no functional changes intended with this change. Link: https://lore.kernel.org/r/20220621141454.2914719-7-brauner@kernel.org Cc: Seth Forshee <sforshee@digitalocean.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@suse.cz> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> CC: linux-fsdevel@vger.kernel.org Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Seth Forshee <sforshee@digitalocean.com> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org> diff 35faf310 Tue Jun 21 08:14:51 MDT 2022 Christian Brauner <brauner@kernel.org> fs: port to iattr ownership update helpers Earlier we introduced new helpers to abstract ownership update and remove code duplication. This converts all filesystems supporting idmapped mounts to make use of these new helpers. For now we always pass the initial idmapping which makes the idmapping functions these helpers call nops. This is done because we currently always pass the actual value to be written to i_{g,u}id via struct iattr. While this allowed us to treat the {g,u}id values in struct iattr as values that can be directly written to inode->i_{g,u}id it also increases the potential for confusion for filesystems. Now that we are have dedicated types to prevent this confusion we will ultimately only map the value from the idmapped mount into a filesystem value that can be written to inode->i_{g,u}id when the filesystem actually updates the inode. So pass down the initial idmapping until we finished that conversion at which point we pass down the mount's idmapping. No functional changes intended. Link: https://lore.kernel.org/r/20220621141454.2914719-6-brauner@kernel.org Cc: Seth Forshee <sforshee@digitalocean.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> CC: linux-fsdevel@vger.kernel.org Reviewed-by: Seth Forshee <sforshee@digitalocean.com> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org> |
H A D | f2fs.h | diff a60108f7 Tue Feb 06 14:56:27 MST 2024 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC No functional change. Reviewed-by: Daeho Jeong <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff b5ab3276 Wed Jul 05 20:06:14 MDT 2023 Chao Yu <chao@kernel.org> f2fs: fix to avoid mmap vs set_compress_option case Compression option in inode should not be changed after they have been used, however, it may happen in below race case: Thread A Thread B - f2fs_ioc_set_compress_option - check f2fs_is_mmap_file() - check get_dirty_pages() - check F2FS_HAS_BLOCKS() - f2fs_file_mmap - set_inode_flag(FI_MMAP_FILE) - fault - do_page_mkwrite - f2fs_vm_page_mkwrite - f2fs_get_block_locked - fault_dirty_shared_page - set_page_dirty - update i_compress_algorithm - update i_log_cluster_size - update i_cluster_size Avoid such race condition by covering f2fs_file_mmap() w/ i_sem lock, meanwhile add mmap file check condition in f2fs_may_compress() as well. Fixes: e1e8debec656 ("f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff ffc143db Fri May 26 14:43:23 MDT 2023 Matthew Wilcox (Oracle) <willy@infradead.org> filemap: Add fgf_t typedef Similarly to gfp_t, define fgf_t as its own type to prevent various misuses and confusion. Leave the flags as FGP_* for now to reduce the size of this patch; they will be converted to FGF_* later. Move the documentation to the definition of the type insted of burying it in the __filemap_get_folio() documentation. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Kent Overstreet <kent.overstreet@linux.dev> diff 901c12d1 Wed May 17 20:14:12 MDT 2023 Chao Yu <chao@kernel.org> f2fs: flush error flags in workqueue In IRQ context, it wakes up workqueue to record errors into on-disk superblock fields rather than in-memory fields. Fixes: 1aa161e43106 ("f2fs: fix scheduling while atomic in decompression path") Fixes: 95fa90c9e5a7 ("f2fs: support recording errors into superblock") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff e067dc3c Wed May 03 14:53:49 MDT 2023 Daeho Jeong <daehojeong@google.com> f2fs: maintain six open zones for zoned devices To keep six open zone constraints, make them not to be open over six open zones. Signed-off-by: Daeho Jeong <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 55847850 Fri Apr 14 04:43:08 MDT 2023 Wu Bo <bo.wu@vivo.com> f2fs: allocate trace path buffer from names_cache It would be better to use the dedicated slab to store path. Signed-off-by: Wu Bo <bo.wu@vivo.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 04a91ab0 Mon Nov 28 02:15:14 MST 2022 Christoph Hellwig <hch@lst.de> f2fs: add a f2fs_lookup_extent_cache_block helper All but three callers of f2fs_lookup_extent_cache just want the block address. Add a small helper to simplify them. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 71644dff Thu Dec 01 18:37:15 MST 2022 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: add block_age-based extent cache This patch introduces a runtime hot/cold data separation method for f2fs, in order to improve the accuracy for data temperature classification, reduce the garbage collection overhead after long-term data updates. Enhanced hot/cold data separation can record data block update frequency as "age" of the extent per inode, and take use of the age info to indicate better temperature type for data block allocation: - It records total data blocks allocated since mount; - When file extent has been updated, it calculate the count of data blocks allocated since last update as the age of the extent; - Before the data block allocated, it searches for the age info and chooses the suitable segment for allocation. Test and result: - Prepare: create about 30000 files * 3% for cold files (with cold file extension like .apk, from 3M to 10M) * 50% for warm files (with random file extension like .FcDxq, from 1K to 4M) * 47% for hot files (with hot file extension like .db, from 1K to 256K) - create(5%)/random update(90%)/delete(5%) the files * total write amount is about 70G * fsync will be called for .db files, and buffered write will be used for other files The storage of test device is large enough(128G) so that it will not switch to SSR mode during the test. Benefit: dirty segment count increment reduce about 14% - before: Dirty +21110 - after: Dirty +18286 Signed-off-by: qixiaoyu1 <qixiaoyu1@xiaomi.com> Signed-off-by: xiongping1 <xiongping1@xiaomi.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 72840ccc Fri Dec 02 14:51:09 MST 2022 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: allocate the extent_cache by default Let's allocate it to remove the runtime complexity. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> diff 66aee5aa Mon Nov 14 23:35:37 MST 2022 Yuwei Guan <ssawgyw@gmail.com> f2fs: change type for 'sbi->readdir_ra' Before this patch, the varibale 'readdir_ra' takes effect if it's equal to '1' or not, so we can change type for it from 'int' to 'bool'. Signed-off-by: Yuwei Guan <Yuwei.Guan@zeekrlife.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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