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linux/fs/btrfs
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Nikolay Borisov 53460a4572 btrfs: trim: make reserved device area adjustments more explicit 
Currently the first megabyte on a device housing a btrfs filesystem is
exempt from allocation and trimming. Currently this is not a problem
since 'start' is set to 1M at the beginning of btrfs_trim_free_extents
and find_first_clear_extent_bit always returns a range that is >= start.

However, in a follow up patch find_first_clear_extent_bit will be
changed such that it will return a range containing 'start' and this
range may very well be 0...>=1M so 'start'.

Future proof the sole user of find_first_clear_extent_bit by setting
'start' after the function is called. No functional changes.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2019-07-01 13:35:02 +02:00
..
tests
for-5.2-tag
2019-05-07 11:34:19 -07:00
acl.c
btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter
2019-04-29 19:02:44 +02:00
async-thread.c
btrfs: simplify workqueue name when allocating
2019-02-25 14:13:24 +01:00
async-thread.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
backref.c
btrfs: fiemap: preallocate ulists for btrfs_check_shared
2019-07-01 13:34:53 +02:00
backref.h
btrfs: fiemap: preallocate ulists for btrfs_check_shared
2019-07-01 13:34:53 +02:00
btrfs_inode.h
btrfs: remove assumption about csum type form btrfs_print_data_csum_error()
2019-07-01 13:35:02 +02:00
check-integrity.c
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
check-integrity.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
compression.c
btrfs: remove assumption about csum type form btrfs_print_data_csum_error()
2019-07-01 13:35:02 +02:00
compression.h
btrfs: don't assume compressed_bio sums to be 4 bytes
2019-07-01 13:35:01 +02:00
ctree.c
btrfs: ctree: Dump the leaf before BUG_ON in btrfs_set_item_key_safe
2019-04-29 19:02:52 +02:00
ctree.h
btrfs: use file:line format for assertion report
2019-07-01 13:35:02 +02:00
dedupe.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
delayed-inode.c
btrfs: get fs_info from eb in btrfs_leaf_free_space
2019-04-29 19:02:30 +02:00
delayed-inode.h
Btrfs: delayed-inode: use rb_first_cached for ins_root and del_root
2018-10-15 17:23:33 +02:00
delayed-ref.c
btrfs: remove unused parameter fs_info from btrfs_add_delayed_extent_op
2019-04-29 19:02:51 +02:00
delayed-ref.h
btrfs: remove unused parameter fs_info from btrfs_add_delayed_extent_op
2019-04-29 19:02:51 +02:00
dev-replace.c
btrfs: remove mapping tree structures indirection
2019-07-01 13:34:56 +02:00
dev-replace.h
btrfs: get fs_info from trans in btrfs_run_dev_replace
2019-04-29 19:02:43 +02:00
dir-item.c
btrfs: remove unused parameter fs_info from btrfs_extend_item
2019-04-29 19:02:50 +02:00
disk-io.c
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
disk-io.h
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
export.c
btrfs: Remove 'objectid' member from struct btrfs_root
2018-10-15 17:23:25 +02:00
export.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
extent_io.c
btrfs: Use newly introduced btrfs_lock_and_flush_ordered_range
2019-07-01 13:34:59 +02:00
extent_io.h
btrfs: Remove bio_offset argument from submit_bio_hook
2019-04-29 19:02:47 +02:00
extent_map.c
btrfs: Optimize unallocated chunks discard
2019-04-29 19:02:38 +02:00
extent_map.h
btrfs: Remove impossible condition from mergable_maps
2019-02-25 14:13:21 +01:00
extent-tree.c
btrfs: trim: make reserved device area adjustments more explicit
2019-07-01 13:35:02 +02:00
file-item.c
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
file.c
btrfs: Return EAGAIN if we can't start no snpashot write in check_can_nocow
2019-07-01 13:34:59 +02:00
free-space-cache.c
btrfs: use btrfs_crc32c{,_final}() in for free space cache
2019-07-01 13:35:00 +02:00
free-space-cache.h
btrfs: get fs_info from block group in btrfs_find_space_cluster
2019-04-29 19:02:46 +02:00
free-space-tree.c
btrfs: get fs_info from block group in search_free_space_info
2019-04-29 19:02:46 +02:00
free-space-tree.h
btrfs: get fs_info from block group in search_free_space_info
2019-04-29 19:02:46 +02:00
inode-item.c
btrfs: remove unused parameter fs_info from btrfs_extend_item
2019-04-29 19:02:50 +02:00
inode-map.c
btrfs: prune unused includes
2018-08-06 13:12:43 +02:00
inode-map.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
inode.c
btrfs: remove assumption about csum type form btrfs_print_data_csum_error()
2019-07-01 13:35:02 +02:00
ioctl.c
btrfs: Flush before reflinking any extent to prevent NOCOW write falling back to COW without data reservation
2019-07-01 13:35:00 +02:00
Kconfig
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
locking.c
btrfs: trace: Introduce trace events for all btrfs tree locking events
2019-04-29 19:02:43 +02:00
locking.h
btrfs: merge btrfs_set_lock_blocking_rw with it's caller
2019-02-25 14:13:28 +01:00
lzo.c
btrfs: change set_level() to bound the level passed in
2019-02-25 14:13:32 +01:00
Makefile
btrfs: Remove custom crc32c init code
2018-03-26 15:09:39 +02:00
math.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
ordered-data.c
btrfs: don't assume ordered sums to be 4 bytes
2019-07-01 13:35:00 +02:00
ordered-data.h
btrfs: don't assume ordered sums to be 4 bytes
2019-07-01 13:35:00 +02:00
orphan.c
btrfs: replace GPL boilerplate by SPDX -- sources
2018-04-12 16:29:51 +02:00
print-tree.c
btrfs: get fs_info from eb in btrfs_leaf_free_space
2019-04-29 19:02:30 +02:00
print-tree.h
btrfs: print-tree: debugging output enhancement
2018-04-20 19:18:16 +02:00
props.c
btrfs: use the existing reserved items for our first prop for inheritance
2019-05-09 11:18:14 +02:00
props.h
btrfs: delete unused function btrfs_set_prop_trans
2019-04-29 19:02:54 +02:00
qgroup.c
btrfs: qgroup: Check bg while resuming relocation to avoid NULL pointer dereference
2019-05-28 18:54:10 +02:00
qgroup.h
btrfs: qgroup: Move reserved data accounting from btrfs_delayed_ref_head to btrfs_qgroup_extent_record
2019-02-25 14:13:39 +01:00
raid56.c
block: remove the i argument to bio_for_each_segment_all
2019-04-30 09:26:13 -06:00
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: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
reada.c
btrfs: start readahead also in seed devices
2019-06-14 17:33:46 +02:00
ref-verify.c
Wimplicit-fallthrough patches for 5.2-rc1
2019-05-07 12:48:10 -07:00
ref-verify.h
btrfs: ref-verify: Use btrfs_ref to refactor btrfs_ref_tree_mod()
2019-04-29 19:02:49 +02:00
relocation.c
btrfs: reloc: Also queue orphan reloc tree for cleanup to avoid BUG_ON()
2019-05-28 18:54:10 +02:00
root-tree.c
Btrfs: do not abort transaction at btrfs_update_root() after failure to COW path
2019-05-09 11:25:27 +02:00
scrub.c
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
send.c
btrfs: resurrect btrfs_crc32c()
2019-07-01 13:35:00 +02:00
send.h
btrfs: replace GPL boilerplate by SPDX -- headers
2018-04-12 16:29:46 +02:00
struct-funcs.c
btrfs: prune unused includes
2018-08-06 13:12:43 +02:00
super.c
btrfs: directly call into crypto framework for checksumming
2019-07-01 13:35:02 +02:00
sysfs.c
btrfs: sysfs: don't leak memory when failing add fsid
2019-05-16 14:31:12 +02:00
sysfs.h
btrfs: drop extra enum initialization where using defaults
2018-12-17 14:51:43 +01:00
transaction.c
Btrfs: remove no longer used member num_dirty_bgs from transaction
2019-04-29 19:02:43 +02:00
transaction.h
Btrfs: remove no longer used member num_dirty_bgs from transaction
2019-04-29 19:02:43 +02:00
tree-checker.c
btrfs: tree-checker: Check if the file extent end overflows
2019-07-01 13:34:55 +02:00
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: open code now trivial btrfs_set_lock_blocking
2019-02-25 14:13:27 +01:00
tree-log.c
Btrfs: fix race updating log root item during fsync
2019-05-28 19:26:46 +02:00
tree-log.h
btrfs: get fs_info from trans in btrfs_set_log_full_commit
2019-04-29 19:02:41 +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 unused parameter fs_info from btrfs_extend_item
2019-04-29 19:02:50 +02:00
volumes.c
btrfs: Add comments on locking of several device-related fields
2019-07-01 13:34:59 +02:00
volumes.h
btrfs: Add comments on locking of several device-related fields
2019-07-01 13:34:59 +02:00
xattr.c
Btrfs: fix failure to persist compression property xattr deletion on fsync
2019-06-17 16:37:17 +02:00
xattr.h
btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter
2019-04-29 19:02:44 +02:00
zlib.c
btrfs: change set_level() to bound the level passed in
2019-02-25 14:13:32 +01:00
zstd.c
btrfs: correct zstd workspace manager lock to use spin_lock_bh()
2019-05-28 18:54:09 +02:00