AuxXxilium/linux_dsm_epyc7002
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1c919a5e13
linux_dsm_epyc7002/fs/btrfs
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Mark Fasheh 1c919a5e13 btrfs: don't update mtime/ctime on deduped inodes 
One issue users have reported is that dedupe changes mtime on files,
resulting in tools like rsync thinking that their contents have changed when
in fact the data is exactly the same. We also skip the ctime update as no
user-visible metadata changes here and we want dedupe to be transparent to
the user.

Clone still wants time changes, so we special case this in the code.

This was tested with the btrfs-extent-same tool.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Chris Mason <clm@fb.com>
2015-07-01 17:17:17 -07:00
..
tests btrfs: qgroup: Switch self test to extent-oriented qgroup mechanism. 2015-06-10 09:26:05 -07:00
acl.c btrfs: remove useless ACL check 2014-06-09 17:20:42 -07:00
async-thread.c btrfs: Fix lockdep warning of wr_ctx->wr_lock in scrub_free_wr_ctx() 2015-06-10 07:04:52 -07:00
async-thread.h btrfs: Fix lockdep warning of wr_ctx->wr_lock in scrub_free_wr_ctx() 2015-06-10 07:04:52 -07:00
backref.c btrfs: backref: Add special time_seq == (u64)-1 case for 2015-06-10 09:25:45 -07:00
backref.h btrfs: cleanup, remove inode_item_info helper 2015-01-14 19:23:47 +01:00
btrfs_inode.h Btrfs: fix metadata inconsistencies after directory fsync 2015-03-26 17:56:23 -07:00
check-integrity.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
check-integrity.h block: submit_bio_wait() conversions 2013-11-24 16:33:41 -07:00
compression.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
compression.h btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
ctree.c Btrfs: fix up read_tree_block to return proper error 2015-06-03 04:03:08 -07:00
ctree.h Btrfs: fix race between balance and unused block group deletion 2015-06-30 14:36:46 -07:00
delayed-inode.c Btrfs: fill ->last_trans for delayed inode in btrfs_fill_inode. 2015-04-26 06:27:03 -07:00
delayed-inode.h Btrfs: introduce the delayed inode ref deletion for the single link inode 2014-01-28 13:20:09 -08:00
delayed-ref.c btrfs: delayed-ref: double free in btrfs_add_delayed_tree_ref() 2015-06-24 12:28:03 -07:00
delayed-ref.h btrfs: qgroup: Add the ability to skip given qgroup for old/new_roots. 2015-06-10 09:26:23 -07:00
dev-replace.c Btrfs: sysfs: add support to show replacing target in the sysfs 2015-06-19 14:03:54 +02:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c Btrfs: make xattr replace operations atomic 2014-11-20 17:20:07 -08:00
disk-io.c Btrfs: fix crash on close_ctree() if cleaner starts new transaction 2015-06-30 14:36:46 -07:00
disk-io.h Btrfs: disk-io: replace root args iff only fs_info used 2015-02-16 18:48:43 +01:00
export.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
export.h
extent_io.c Btrfs: set UNWRITTEN for prealloc'ed extents in fiemap 2015-06-03 04:03:03 -07:00
extent_io.h btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
extent_map.c Btrfs: do not move em to modified list when unpinning 2014-11-21 11:59:54 -08:00
extent_map.h Btrfs: fix NULL pointer crash when running balance and scrub concurrently 2014-06-19 14:20:55 -07:00
extent-tree.c Btrfs: fix race between balance and unused block group deletion 2015-06-30 14:36:46 -07:00
extent-tree.h btrfs: qgroup: Add new qgroup calculation function 2015-06-10 09:25:49 -07:00
file-item.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
file.c Btrfs: avoid syncing log in the fast fsync path when not necessary 2015-06-10 07:02:43 -07:00
free-space-cache.c Btrfs: fix mutex unlock without prior lock on space cache truncation 2015-06-02 19:34:34 -07:00
free-space-cache.h Btrfs: allow block group cache writeout outside critical section in commit 2015-04-10 14:07:22 -07:00
hash.c btrfs: LLVMLinux: Remove VLAIS 2014-10-14 10:51:22 +02:00
hash.h Btrfs: fix btrfs boot when compiled as built-in 2014-01-28 13:20:31 -08:00
inode-item.c Btrfs: fix fsync log replay for inodes with a mix of regular refs and extrefs 2015-01-21 18:02:05 -08:00
inode-map.c Btrfs: fix race between caching kthread and returning inode to inode cache 2015-06-30 14:36:46 -07:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Btrfs: fix hang during inode eviction due to concurrent readahead 2015-06-03 04:03:09 -07:00
ioctl.c btrfs: don't update mtime/ctime on deduped inodes 2015-07-01 17:17:17 -07:00
Kconfig rcu: Make SRCU optional by using CONFIG_SRCU 2015-01-06 11:04:29 -08:00
locking.c btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
locking.h btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
lzo.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
Makefile Btrfs: add sanity tests for new qgroup accounting code 2014-06-09 17:20:49 -07:00
math.h btrfs: cleanup 64bit/32bit divs, compile time constants 2015-03-03 17:23:57 +01:00
ordered-data.c Btrfs: don't attach unnecessary extents to transaction on fsync 2015-06-10 07:02:44 -07:00
ordered-data.h Btrfs: avoid syncing log in the fast fsync path when not necessary 2015-06-10 07:02:43 -07:00
orphan.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
print-tree.c btrfs: remove parameter blocksize from read_tree_block 2014-10-02 17:14:50 +02:00
print-tree.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
props.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
props.h Btrfs: add support for inode properties 2014-01-28 13:20:24 -08:00
qgroup.c btrfs: qgroup: allow user to clear the limitation on qgroup 2015-06-30 13:20:00 -07:00
qgroup.h btrfs: qgroup: Cleanup the old ref_node-oriented mechanism. 2015-06-10 09:26:11 -07:00
raid56.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
raid56.h Btrfs: Make raid_map array be inlined in btrfs_bio structure 2015-01-21 18:06:47 -08:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: add ref_count and free function for btrfs_bio 2015-01-21 18:06:48 -08:00
relocation.c Btrfs: fix up read_tree_block to return proper error 2015-06-03 04:03:08 -07:00
root-tree.c Btrfs: use bitfield instead of integer data type for the some variants in btrfs_root 2014-06-09 17:20:40 -07:00
scrub.c btrfs: add error handling for scrub_workers_get() 2015-06-30 13:20:03 -07:00
send.c Btrfs: use received_uuid of parent during send 2015-06-12 13:20:38 -07:00
send.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c Btrfs: show subvol= and subvolid= in /proc/mounts 2015-06-03 04:03:02 -07:00
sysfs.c Btrfs: Check if kobject is initialized before put 2015-06-22 14:43:31 +02:00
sysfs.h Btrfs: sysfs: btrfs_sysfs_remove_fsid() make it non static 2015-05-27 12:27:22 +02:00
transaction.c btrfs: qgroup: Make snapshot accounting work with new extent-oriented 2015-06-10 09:26:29 -07:00
transaction.h btrfs: qgroup: Add the ability to skip given qgroup for old/new_roots. 2015-06-10 09:26:23 -07:00
tree-defrag.c btrfs: let tree defrag work in SSD mode 2015-06-02 19:34:33 -07:00
tree-log.c Btrfs: fix fsync after truncate when no_holes feature is enabled 2015-07-01 17:17:12 -07:00
tree-log.h Btrfs: fix metadata inconsistencies after directory fsync 2015-03-26 17:56:23 -07:00
ulist.c btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
ulist.h btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
uuid-tree.c Btrfs: make btrfs_search_forward return with nodes unlocked 2014-09-17 13:38:02 -07:00
volumes.c Btrfs: fix race between balance and unused block group deletion 2015-06-30 14:36:46 -07:00
volumes.h Btrfs: sysfs: add pointer to access fs_info from fs_devices 2015-05-27 12:27:21 +02:00
xattr.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
xattr.h btrfs: use generic posix ACL infrastructure 2014-01-25 23:58:18 -05:00
zlib.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00