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6e135baed8
In this series, we've implemented transparent compression experimentally. It supports LZO and LZ4, but will add more later as we investigate in the field more. At this point, the feature doesn't expose compressed space to user directly in order to guarantee potential data updates later to the space. Instead, the main goal is to reduce data writes to flash disk as much as possible, resulting in extending disk life time as well as relaxing IO congestion. Alternatively, we're also considering to add ioctl() to reclaim compressed space and show it to user after putting the immutable bit. Enhancement: - add compression support - avoid unnecessary locks in quota ops - harden power-cut scenario for zoned block devices - use private bio_set to avoid IO congestion - replace GC mutex with rwsem to serialize callers Bug fix: - fix dentry consistency and memory corruption in rename()'s error case - fix wrong swap extent reports - fix casefolding bugs - change lock coverage to avoid deadlock - avoid GFP_KERNEL under f2fs_lock_op And, we've cleaned up sysfs entries to prepare no debugfs. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAl4zInwACgkQQBSofoJI UNL4Tg/+JBbVEFa3IUBGMdbjfgd/g0Jye++iMAYYGRWT6Ll/IGcHRV9NunITjgWU mBZqdhI28kXeiGCcewB1ZvivjLx22X4n6yevHk2B5A6PNe9IDCHi0HOAhJJHkjPH ecv2L+vX3Oj4y0+H7JNz9Fo3OIPJvMPtCQWlg1z+VQyhB85zNP7fZlvvIY4tG8yw ERo0YNotLqwcF1BxCwNbAhV3aJGDxar+MI//yNzpiwDX7IptVpqestfcoIYc9kKL 4kSWRyEIGwcuIeyoM6aofGS9t4Z/Oe/gdqcxNr6l5n0Q/tMTpb4b/fJFGNr6RRx9 X9NQo8flkQb2DEIOP0DVpO2aPebzsVtzg3LZUOLA83+wCHfwINtHai2Dy2zDJ2my BrVdou8fe2oxoaYihJg/Tz9cd0nA/6mZArtpYvDImAmX/xuGOvVk9zZkXNwc9nVX EyVzy0vW4lA6gAIJ95aG6DDhJcAtVoy0MhBRWG92Pufxhn9aW24AV63ChWUf9DRx /3RqpMAuQ3UC2gOxXKKnr54lsdhUIMn/y9sjROkVvQ1BvgRVxO8I4GFvMHMKv9pR 9KXiVRdzyYERyoL4+MF7A2zTnw+RHL4RVILa85p2ALGy2jQ1UuNUQi0BN9x2u1v8 S1ifNNX8SwOP+83ImFJhhn3HybpFQ45aLO3F7ZjKBQAnufJu+xw= =zeoY -----END PGP SIGNATURE----- Merge tag 'f2fs-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this series, we've implemented transparent compression experimentally. It supports LZO and LZ4, but will add more later as we investigate in the field more. At this point, the feature doesn't expose compressed space to user directly in order to guarantee potential data updates later to the space. Instead, the main goal is to reduce data writes to flash disk as much as possible, resulting in extending disk life time as well as relaxing IO congestion. Alternatively, we're also considering to add ioctl() to reclaim compressed space and show it to user after putting the immutable bit. Enhancements: - add compression support - avoid unnecessary locks in quota ops - harden power-cut scenario for zoned block devices - use private bio_set to avoid IO congestion - replace GC mutex with rwsem to serialize callers Bug fixes: - fix dentry consistency and memory corruption in rename()'s error case - fix wrong swap extent reports - fix casefolding bugs - change lock coverage to avoid deadlock - avoid GFP_KERNEL under f2fs_lock_op And, we've cleaned up sysfs entries to prepare no debugfs" * tag 'f2fs-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (31 commits) f2fs: fix race conditions in ->d_compare() and ->d_hash() f2fs: fix dcache lookup of !casefolded directories f2fs: Add f2fs stats to sysfs f2fs: delete duplicate information on sysfs nodes f2fs: change to use rwsem for gc_mutex f2fs: update f2fs document regarding to fsync_mode f2fs: add a way to turn off ipu bio cache f2fs: code cleanup for f2fs_statfs_project() f2fs: fix miscounted block limit in f2fs_statfs_project() f2fs: show the CP_PAUSE reason in checkpoint traces f2fs: fix deadlock allocating bio_post_read_ctx from mempool f2fs: remove unneeded check for error allocating bio_post_read_ctx f2fs: convert inline_dir early before starting rename f2fs: fix memleak of kobject f2fs: fix to add swap extent correctly f2fs: run fsck when getting bad inode during GC f2fs: support data compression f2fs: free sysfs kobject f2fs: declare nested quota_sem and remove unnecessary sems f2fs: don't put new_page twice in f2fs_rename ... |
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| .. | ||
| acl.c | ||
| acl.h | ||
| checkpoint.c | ||
| compress.c | ||
| data.c | ||
| debug.c | ||
| dir.c | ||
| extent_cache.c | ||
| f2fs.h | ||
| file.c | ||
| gc.c | ||
| gc.h | ||
| hash.c | ||
| inline.c | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||
| namei.c | ||
| node.c | ||
| node.h | ||
| recovery.c | ||
| segment.c | ||
| segment.h | ||
| shrinker.c | ||
| super.c | ||
| sysfs.c | ||
| trace.c | ||
| trace.h | ||
| verity.c | ||
| xattr.c | ||
| xattr.h | ||