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linux/fs/btrfs
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Qu Wenruo 4117f207d4 btrfs: Add chunk allocation ENOSPC debug message for enospc_debug mount option 
Enospc_debug makes extent allocator print more debug messages,
however for chunk allocation, there is no debug message for enospc_debug
at all.

This patch will add message for the following parts of chunk allocator:

1) No rw device at all
   Quite rare, but at least output one message for this case.

2) Not enough space for some device
   This debug message is quite handy for unbalanced disks with stripe
   based profiles (RAID0/10/5/6).

3) Not enough free devices
   This debug message should tell us if current chunk allocator is
   working correctly under minimal device requirements.

Although in most cases, we will hit other ENOSPC before we even hit a
chunk allocator ENOSPC, but such debug info won't help.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-26 15:09:35 +02:00
..
tests Btrfs: extent map selftest: add missing void parameter to btrfs_test_extent_map 2018-03-26 15:09:29 +02:00
acl.c btrfs: preserve i_mode if __btrfs_set_acl() fails 2017-08-21 17:47:42 +02:00
async-thread.c Btrfs: fix confusing worker helper info in stacktrace 2017-10-30 12:27:57 +01:00
async-thread.h btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
backref.c btrfs: add missing initialization in btrfs_check_shared 2018-03-14 22:26:46 +01:00
backref.h btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
btrfs_inode.h btrfs: make the delalloc block rsv per inode 2017-11-01 20:45:35 +01:00
check-integrity.c btrfs: Fix bug for misused dev_t when lookup in dev state hash table. 2017-11-01 20:45:36 +01:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c for-4.16-tag 2018-01-29 14:04:23 -08:00
compression.h btrfs: compression: add helper for type to string conversion 2018-01-22 16:08:16 +01:00
ctree.c btrfs: Improve btrfs_search_slot description 2018-01-22 16:08:19 +01:00
ctree.h btrfs: manage commit mount option as %u 2018-03-26 15:09:33 +02:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: Don't pass fs_info to btrfs_run_delayed_items/_nr 2018-03-26 15:09:31 +02:00
delayed-inode.h btrfs: Don't pass fs_info to btrfs_run_delayed_items/_nr 2018-03-26 15:09:31 +02:00
delayed-ref.c btrfs: Ignore errors from btrfs_qgroup_trace_extent_post 2018-02-02 16:25:14 +01:00
delayed-ref.h Btrfs: add __init macro to btrfs init functions 2018-01-22 16:08:11 +01:00
dev-replace.c btrfs: log, when replace, is canceled by the user 2018-03-26 15:09:34 +02:00
dev-replace.h btrfs: btrfs_dev_replace_cancel() can return int 2018-03-26 15:09:30 +02:00
dir-item.c btrfs: Cleanup existing name_len checks 2018-01-22 16:08:12 +01:00
disk-io.c btrfs: remove unused function btrfs_async_submit_limit() 2018-03-26 15:09:35 +02:00
disk-io.h btrfs: remove unused function btrfs_async_submit_limit() 2018-03-26 15:09:35 +02:00
export.c btrfs: Cleanup existing name_len checks 2018-01-22 16:08:12 +01:00
export.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extent-tree.c btrfs: Add enospc_debug printing in metadata_reserve_bytes 2018-03-26 15:09:35 +02:00
extent_io.c btrfs: extent_buffer_uptodate() make it static and inline 2018-03-26 15:09:33 +02:00
extent_io.h btrfs: extent_buffer_uptodate() make it static and inline 2018-03-26 15:09:33 +02:00
extent_map.c btrfs: remove unused hardirq.h 2018-03-26 15:09:35 +02:00
extent_map.h Btrfs: move extent map specific code to extent_map.c 2018-01-22 16:08:22 +01:00
file-item.c Merge branch 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-05 16:41:23 -07:00
file.c for-4.16-tag 2018-01-29 14:04:23 -08:00
free-space-cache.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-01-31 14:31:10 -08:00
free-space-cache.h btrfs: free-space-cache, clean up unnecessary root arguments 2017-02-17 12:03:56 +01:00
free-space-tree.c btrfs: Clean up unused variables in free-space-tree.c 2017-10-30 12:27:59 +01:00
free-space-tree.h btrfs: expose internal free space tree routine only if sanity tests are enabled 2017-08-18 16:36:29 +02:00
hash.c crypto: Work around deallocated stack frame reference gcc bug on sparc. 2017-06-08 17:36:03 +08:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c Btrfs: fix log replay failure after unlink and link combination 2018-03-01 16:18:40 +01:00
inode-map.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
inode-map.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
inode.c btrfs: use ASSERT to report logical error in cow_file_range() 2018-03-26 15:09:35 +02:00
ioctl.c btrfs: rename __btrfs_dev_replace_cancel() 2018-03-26 15:09:30 +02:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -07:00
locking.c
locking.h
lzo.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
Makefile Btrfs: add extent map selftests 2018-01-22 16:08:22 +01:00
math.h
ordered-data.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
ordered-data.h btrfs: Don't hardcode the csum size in btrfs_ordered_sum_size 2018-03-26 15:09:29 +02:00
orphan.c
print-tree.c Btrfs: add one more sanity check for shared ref type 2017-08-21 17:47:43 +02:00
print-tree.h btrfs: get fs_info from eb in btrfs_print_tree, remove argument 2017-08-16 16:12:03 +02:00
props.c btrfs: prop: use common helper for type to string conversion 2018-01-22 16:08:16 +01:00
props.h
qgroup.c btrfs: Ignore errors from btrfs_qgroup_trace_extent_post 2018-02-02 16:25:14 +01:00
qgroup.h btrfs: qgroup: Fix qgroup reserved space underflow by only freeing reserved ranges 2017-06-29 20:17:02 +02:00
raid56.c btrfs: Fix NULL pointer exception in find_bio_stripe 2018-03-14 22:26:35 +01:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
reada.c btrfs: remove unused member err from reada_extent 2017-06-19 18:25:59 +02:00
ref-verify.c btrfs: ref-verify: Remove unused parameter from walk_up_tree() to kill warning 2018-01-22 16:08:13 +01:00
ref-verify.h Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
relocation.c btrfs: Handle btrfs_set_extent_delalloc failure in relocate_file_extent_cluster 2018-03-01 16:16:12 +01:00
root-tree.c btrfs: Cleanup existing name_len checks 2018-01-22 16:08:12 +01:00
scrub.c btrfs: rename btrfs_device::scrub_device to scrub_ctx 2018-01-22 16:08:20 +01:00
send.c Btrfs: send, fix issuing write op when processing hole in no data mode 2018-03-01 16:18:07 +01:00
send.h btrfs: fix send ioctl on 32bit with 64bit kernel 2017-10-30 12:27:59 +01:00
struct-funcs.c btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
super.c btrfs: add a comment to mark the deprecated mount option 2018-03-26 15:09:34 +02:00
sysfs.c Revert "btrfs: use proper endianness accessors for super_copy" 2018-03-16 14:49:44 +01:00
sysfs.h Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-11-14 13:35:29 -08:00
transaction.c btrfs: Remove fs_info argument of btrfs_write_and_wait_transaction 2018-03-26 15:09:33 +02:00
transaction.h btrfs: Document consistency of transaction->io_bgs list 2018-03-26 15:09:34 +02:00
tree-checker.c btrfs: tree-check: reduce stack consumption in check_dir_item 2018-01-22 16:08:21 +01:00
tree-checker.h btrfs: tree-checker: Fix false panic for sanity test 2017-11-28 14:59:09 +01:00
tree-defrag.c
tree-log.c btrfs: Don't pass fs_info to btrfs_run_delayed_items/_nr 2018-03-26 15:09:31 +02:00
tree-log.h btrfs: Make btrfs_del_inode_ref take btrfs_inode 2017-02-14 15:50:54 +01:00
ulist.c btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
ulist.h btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
uuid-tree.c btrfs: return the actual error value from from btrfs_uuid_tree_iterate 2016-12-19 18:08:15 +01:00
volumes.c btrfs: Add chunk allocation ENOSPC debug message for enospc_debug mount option 2018-03-26 15:09:35 +02:00
volumes.h btrfs: Remove fs_info argument from btrfs_update_commit_device_bytes_used 2018-03-26 15:09:32 +02:00
xattr.c for-4.16-tag 2018-01-29 14:04:23 -08:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
zstd.c btrfs: move some zstd work data from stack to workspace 2018-01-22 16:08:14 +01:00