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linux-stable/fs/btrfs
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Qu Wenruo fc57ad8d33 btrfs: add sysfs interface for supported sectorsize 
Export supported sector sizes in /sys/fs/btrfs/features/supported_sectorsizes.

Currently all architectures have PAGE_SIZE, There's some disparity
between read-only and read-write support but that will be unified in the
future so there's only one file exporting the size.

The read-only support for systems with 64K pages also works for 4K
sector size.

This new sysfs interface would help eg. mkfs.btrfs to print more
accurate warnings about potentially incompatible option combinations.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-04-19 17:25:18 +02:00
..
tests
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
acl.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
async-thread.c
Btrfs: fix crash during unmount due to race with delayed inode workers
2020-03-23 17:01:51 +01:00
async-thread.h
Btrfs: fix crash during unmount due to race with delayed inode workers
2020-03-23 17:01:51 +01:00
backref.c
btrfs: move the tree mod log code into its own file
2021-04-19 17:25:16 +02:00
backref.h
btrfs: add asserts for deleting backref cache nodes
2021-02-08 22:58:56 +01:00
block-group.c
btrfs: fix exhaustion of the system chunk array due to concurrent allocations
2021-04-19 17:25:17 +02:00
block-group.h
btrfs: fix race between writes to swap files and scrub
2021-02-22 18:07:15 +01:00
block-rsv.c
btrfs: introduce mount option rescue=ignorebadroots
2020-12-08 15:53:41 +01:00
block-rsv.h
btrfs: Remove __ prefix from btrfs_block_rsv_release
2020-03-23 17:01:55 +01:00
btrfs_inode.h
btrfs: remove stale comment and logic from btrfs_inode_in_log()
2021-04-19 17:25:16 +02:00
check-integrity.c
btrfs: integrity-checker: convert block context kmap's to kmap_local_page
2021-04-19 17:25:16 +02:00
check-integrity.h
btrfs: remove btrfsic_submit_bh()
2020-03-23 17:01:39 +01:00
compression.c
btrfs: convert kmap to kmap_local_page, simple cases
2021-04-19 17:25:16 +02:00
compression.h
btrfs: compression: move declarations to header
2020-10-07 12:06:55 +02:00
ctree.c
btrfs: improve btree readahead for full send operations
2021-04-19 17:25:17 +02:00
ctree.h
btrfs: improve btree readahead for full send operations
2021-04-19 17:25:17 +02:00
delalloc-space.c
btrfs: fix parameter description of btrfs_inode_rsv_release/btrfs_delalloc_release_space
2021-02-08 22:58:54 +01:00
delalloc-space.h
btrfs: make btrfs_delalloc_reserve_space take btrfs_inode
2020-07-27 12:55:36 +02:00
delayed-inode.c
btrfs: use btrfs_inode_lock/btrfs_inode_unlock inode lock helpers
2021-04-19 17:25:15 +02:00
delayed-inode.h
btrfs: make btrfs_delayed_update_inode take btrfs_inode
2020-12-08 15:54:10 +01:00
delayed-ref.c
btrfs: update debug message when checking seq number of a delayed ref
2021-04-19 17:25:17 +02:00
delayed-ref.h
btrfs: only let one thread pre-flush delayed refs in commit
2021-02-08 22:58:56 +01:00
dev-replace.c
btrfs: do not initialize dev replace for bad dev root
2021-03-17 19:42:14 +01:00
dev-replace.h
btrfs: zoned: mark block groups to copy for device-replace
2021-02-09 02:46:07 +01:00
dir-item.c
btrfs: locking: rip out path->leave_spinning
2020-12-08 15:54:02 +01:00
discard.c
btrfs: document now parameter of peek_discard_list
2021-02-08 22:58:53 +01:00
discard.h
btrfs: cleanup btrfs_discard_update_discardable usage
2020-12-08 15:54:02 +01:00
disk-io.c
for-5.12-rc4-tag
2021-03-25 15:38:22 -07:00
disk-io.h
btrfs: split alloc_log_tree()
2021-02-09 02:46:07 +01:00
export.c
btrfs: locking: rip out path->leave_spinning
2020-12-08 15:54:02 +01:00
export.h
btrfs: export helpers for subvolume name/id resolution
2020-03-23 17:01:42 +01:00
extent_io.c
btrfs: remove duplicated in_range() macro
2021-04-19 17:25:16 +02:00
extent_io.h
btrfs: zoned: redirty released extent buffers
2021-02-09 02:46:04 +01:00
extent_map.c
btrfs: fix parameter description of btrfs_add_extent_mapping
2021-02-08 22:58:53 +01:00
extent_map.h
btrfs: remove extent_map::bdev
2019-11-18 23:43:44 +01:00
extent-io-tree.h
btrfs: use fixed width int type for extent_state::state
2020-12-08 15:54:13 +01:00
extent-tree.c
btrfs: use the new bit BTRFS_FS_TREE_MOD_LOG_USERS at btrfs_free_tree_block()
2021-04-19 17:25:16 +02:00
file-item.c
btrfs: remove duplicated in_range() macro
2021-04-19 17:25:16 +02:00
file.c
btrfs: fix a potential hole punching failure
2021-04-19 17:25:17 +02:00
free-space-cache.c
btrfs: zoned: do not account freed region of read-only block group as zone_unusable
2021-03-04 16:16:58 +01:00
free-space-cache.h
btrfs: zoned: track unusable bytes for zones
2021-02-09 02:46:03 +01:00
free-space-tree.c
btrfs: fix possible free space tree corruption with online conversion
2021-01-25 18:44:37 +01:00
free-space-tree.h
btrfs: rename btrfs_block_group_cache
2019-11-18 17:51:51 +01:00
inode-item.c
btrfs: locking: rip out path->leave_spinning
2020-12-08 15:54:02 +01:00
inode.c
btrfs: update outdated comment at btrfs_orphan_cleanup()
2021-04-19 17:25:17 +02:00
ioctl.c
btrfs: use btrfs_inode_lock/btrfs_inode_unlock inode lock helpers
2021-04-19 17:25:15 +02:00
Kconfig
btrfs: switch to iomap for direct IO
2020-10-07 12:06:57 +02:00
locking.c
btrfs: remove the recurse parameter from __btrfs_tree_read_lock
2020-12-08 15:54:09 +01:00
locking.h
btrfs: remove the recurse parameter from __btrfs_tree_read_lock
2020-12-08 15:54:09 +01:00
lzo.c
btrfs: convert kmap to kmap_local_page, simple cases
2021-04-19 17:25:16 +02:00
Makefile
btrfs: move the tree mod log code into its own file
2021-04-19 17:25:16 +02:00
misc.h
btrfs: rename tree_entry to rb_simple_node and export it
2020-05-25 11:25:19 +02:00
ordered-data.c
btrfs: replace offset_in_entry with in_range
2021-04-19 17:25:14 +02:00
ordered-data.h
btrfs: fix comment for btrfs ordered extent flag bits
2021-04-19 17:25:14 +02:00
orphan.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
print-tree.c
btrfs: print the actual offset in btrfs_root_name
2021-01-07 17:25:05 +01:00
print-tree.h
btrfs: print the actual offset in btrfs_root_name
2021-01-07 17:25:05 +01:00
props.c
btrfs: simplify iget helpers
2020-05-25 11:25:37 +02:00
props.h
btrfs: delete unused function btrfs_set_prop_trans
2019-04-29 19:02:54 +02:00
qgroup.c
btrfs: move the tree mod log code into its own file
2021-04-19 17:25:16 +02:00
qgroup.h
btrfs: export and rename qgroup_reserve_meta
2021-03-02 16:58:30 +01:00
raid56.c
btrfs: raid56: convert kmaps to kmap_local_page
2021-04-19 17:25:16 +02:00
raid56.h
btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes
2019-07-01 13:34:58 +02:00
rcu-string.h
btrfs: rcu-string: Replace zero-length array with flexible-array member
2020-03-23 17:01:53 +01:00
reada.c
btrfs: subpage: make readahead work properly
2021-03-16 11:06:21 +01:00
ref-verify.c
btrfs: ref-verify: use 'inline void' keyword ordering
2021-03-02 16:55:40 +01:00
ref-verify.h
btrfs: ref-verify: Use btrfs_ref to refactor btrfs_ref_tree_mod()
2019-04-29 19:02:49 +02:00
reflink.c
btrfs: make reflinks respect O_SYNC O_DSYNC and S_SYNC flags
2021-04-19 17:25:17 +02:00
reflink.h
Btrfs: move all reflink implementation code into its own file
2020-03-23 17:01:54 +01:00
relocation.c
btrfs: use btrfs_inode_lock/btrfs_inode_unlock inode lock helpers
2021-04-19 17:25:15 +02:00
root-tree.c
btrfs: qgroup: fix qgroup meta rsv leak for subvolume operations
2020-10-07 12:12:13 +02:00
scrub.c
btrfs: scrub: drop a few function declarations
2021-04-19 17:25:14 +02:00
send.c
btrfs: improve btree readahead for full send operations
2021-04-19 17:25:17 +02:00
send.h
btrfs: send: avoid copying file data
2020-10-07 12:13:17 +02:00
space-info.c
btrfs: use percpu_read_positive instead of sum_positive for need_preempt
2021-04-19 17:25:17 +02:00
space-info.h
btrfs: zoned: track unusable bytes for zones
2021-02-09 02:46:03 +01:00
struct-funcs.c
btrfs: handle sectorsize < PAGE_SIZE case for extent buffer accessors
2020-12-09 19:16:10 +01:00
subpage.c
btrfs: integrate page status update for data read path into begin/end_page_read
2021-02-08 22:59:03 +01:00
subpage.h
btrfs: integrate page status update for data read path into begin/end_page_read
2021-02-08 22:59:03 +01:00
super.c
btrfs: fix spurious free_space_tree remount warning
2021-03-02 16:55:55 +01:00
sysfs.c
btrfs: add sysfs interface for supported sectorsize
2021-04-19 17:25:18 +02:00
sysfs.h
btrfs: split and refactor btrfs_sysfs_remove_devices_dir
2020-10-07 12:12:21 +02:00
transaction.c
btrfs: fix exhaustion of the system chunk array due to concurrent allocations
2021-04-19 17:25:17 +02:00
transaction.h
btrfs: fix exhaustion of the system chunk array due to concurrent allocations
2021-04-19 17:25:17 +02:00
tree-checker.c
btrfs: tree-checker: do not error out if extent ref hash doesn't match
2021-02-22 18:07:44 +01:00
tree-checker.h
btrfs: get fs_info from eb in btrfs_check_chunk_valid
2019-04-29 19:02:39 +02:00
tree-defrag.c
btrfs: locking: remove all the blocking helpers
2020-12-08 15:54:01 +01:00
tree-log.c
btrfs: zoned: move log tree node allocation out of log_root_tree->log_mutex
2021-04-19 17:25:17 +02:00
tree-log.h
btrfs: make fast fsyncs wait only for writeback
2020-10-07 12:06:56 +02:00
tree-mod-log.c
btrfs: add and use helper to get lowest sequence number for the tree mod log
2021-04-19 17:25:17 +02:00
tree-mod-log.h
btrfs: add and use helper to get lowest sequence number for the tree mod log
2021-04-19 17:25:17 +02:00
ulist.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
ulist.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
uuid-tree.c
btrfs: remove unnecessary casts in printk
2020-12-08 15:53:52 +01:00
volumes.c
btrfs: zoned: bail out in btrfs_alloc_chunk for bad input
2021-04-19 17:25:17 +02:00
volumes.h
btrfs: zoned: relocate block group to repair IO failure in zoned filesystems
2021-02-09 02:46:07 +01:00
xattr.c
for-5.12-rc1-tag
2021-03-05 12:21:14 -08:00
xattr.h
btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter
2019-04-29 19:02:44 +02:00
zlib.c
btrfs: use memcpy_[to|from]_page() and kmap_local_page()
2021-02-26 12:45:15 +01:00
zoned.c
for-5.12-rc6-tag
2021-04-11 11:53:36 -07:00
zoned.h
btrfs: zoned: extend zoned allocator to use dedicated tree-log block group
2021-02-09 02:46:08 +01:00
zstd.c
btrfs: use memcpy_[to|from]_page() and kmap_local_page()
2021-02-26 12:45:15 +01:00