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linux-next/fs/btrfs
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Li Zhang 45714ff75c btrfs: print message on device opening error during mount 
[ENHANCEMENT]
When mounting a btrfs filesystem, the filesystem opens the block device,
and if this fails, there is no message about it. Print a message about
it to help debugging.

[TEST]
I have a btrfs filesystem on three block devices, one of which is
write-protected, so regular mounts fail, but there is no message in
dmesg.

  /dev/vdb normal
  /dev/vdc write protected
  /dev/vdd normal

  Before patch:
  $ sudo mount /dev/vdb /mnt/
  mount: mount(2) failed: no such file or directory
  $ sudo dmesg # Show only messages about missing block devices
  ....
  [ 352.947196] BTRFS error (device vdb): devid 2 uuid 4ee2c625-a3b2-4fe0-b411-756b23e08533 missing
  ....

  After patch:
  $ sudo mount /dev/vdb /mnt/
  mount: mount(2) failed: no such file or directory
  $ sudo dmesg # Show bdev_file_open_by_path failed.
  ....
  [ 352.944328] BTRFS error: failed to open device for path /dev/vdc with flags 0x3: -13
  [ 352.947196] BTRFS error (device vdb): missing devid 2 uuid 4ee2c625-a3b2-4fe0-b411-756b23e08533
  ....

Signed-off-by: Li Zhang <zhanglikernel@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10 16:51:12 +02:00
..
tests
btrfs: fix corrupt read due to bad offset of a compressed extent map
2024-07-25 23:54:06 +02:00
accessors.c
btrfs: remove unused included headers
2024-03-04 16:24:46 +01:00
accessors.h
btrfs: remove raid-stripe-tree encoding field from stripe_extent
2024-07-11 15:33:28 +02:00
acl.c
btrfs: remove unused included headers
2024-03-04 16:24:46 +01:00
acl.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
async-thread.c
btrfs: remove unused included headers
2024-03-04 16:24:46 +01:00
async-thread.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
backref.c
btrfs: change root->root_key.objectid to btrfs_root_id()
2024-05-07 21:31:06 +02:00
backref.h
btrfs: uninline some static inline helpers from backref.h
2024-03-04 16:24:53 +01:00
bio.c
btrfs: fix a use-after-free when hitting errors inside btrfs_submit_chunk()
2024-08-27 01:34:08 +02:00
bio.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
block-group.c
btrfs: zoned: fix zone_unusable accounting on making block group read-write again
2024-07-29 19:21:19 +02:00
block-group.h
btrfs: switch btrfs_block_group::inode to struct btrfs_inode
2024-07-11 15:33:28 +02:00
block-rsv.c
btrfs: change root->root_key.objectid to btrfs_root_id()
2024-05-07 21:31:06 +02:00
block-rsv.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
btrfs_inode.h
btrfs: move the direct IO code into its own file
2024-07-11 15:33:29 +02:00
compression.c
btrfs: fix extent map use-after-free when adding pages to compressed bio
2024-07-11 16:32:22 +02:00
compression.h
btrfs: pass a btrfs_inode to btrfs_compress_heuristic()
2024-07-11 15:33:28 +02:00
ctree.c
btrfs: fix data race when accessing the last_trans field of a root
2024-07-11 15:52:25 +02:00
ctree.h
btrfs: fix race between direct IO write and fsync when using same fd
2024-09-03 20:29:55 +02:00
defrag.c
btrfs: fix data race when accessing the last_trans field of a root
2024-07-11 15:52:25 +02:00
defrag.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
delalloc-space.c
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
delalloc-space.h
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
delayed-inode.c
btrfs: pass a btrfs_inode to btrfs_readdir_get_delayed_items()
2024-07-11 15:33:28 +02:00
delayed-inode.h
btrfs: pass a btrfs_inode to btrfs_readdir_get_delayed_items()
2024-07-11 15:33:28 +02:00
delayed-ref.c
btrfs: check delayed refs when we're checking if a ref exists
2024-08-13 13:42:26 +02:00
delayed-ref.h
btrfs: check delayed refs when we're checking if a ref exists
2024-08-13 13:42:26 +02:00
dev-replace.c
btrfs: simplify range parameters of btrfs_wait_ordered_roots()
2024-07-11 15:33:19 +02:00
dev-replace.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
dir-item.c
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
dir-item.h
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
direct-io.c
btrfs: fix race between direct IO write and fsync when using same fd
2024-09-03 20:29:55 +02:00
direct-io.h
btrfs: move the direct IO code into its own file
2024-07-11 15:33:29 +02:00
discard.c
btrfs: unexport btrfs_run_discard_work and make it static
2023-06-19 13:59:25 +02:00
discard.h
btrfs: unexport btrfs_run_discard_work and make it static
2023-06-19 13:59:25 +02:00
disk-io.c
for-6.11-tag
2024-07-17 12:38:04 -07:00
disk-io.h
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
export.c
btrfs: remove super block argument from btrfs_iget()
2024-07-11 15:33:25 +02:00
export.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
extent_io.c
btrfs: fix invalid mapping of extent xarray state
2024-08-13 15:36:57 +02:00
extent_io.h
btrfs: move extent_range_clear_dirty_for_io() into inode.c
2024-07-11 15:52:25 +02:00
extent_map.c
btrfs: reduce size and overhead of extent_map_block_end()
2024-09-10 16:51:12 +02:00
extent_map.h
btrfs: do not directly include rwlock_types.h
2024-07-11 15:33:22 +02:00
extent-io-tree.c
btrfs: preallocate ulist memory for qgroup rsv
2024-07-11 15:33:26 +02:00
extent-io-tree.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
extent-tree.c
btrfs: check delayed refs when we're checking if a ref exists
2024-08-13 13:42:26 +02:00
extent-tree.h
btrfs: do not BUG_ON() when freeing tree block after error
2024-07-11 15:33:26 +02:00
fiemap.c
btrfs: initialize last_extent_end to fix -Wmaybe-uninitialized warning in extent_fiemap()
2024-08-26 16:58:13 +02:00
fiemap.h
btrfs: move fiemap code into its own file
2024-07-11 15:33:20 +02:00
file-item.c
btrfs: introduce new "rescue=ignoremetacsums" mount option
2024-07-11 15:33:29 +02:00
file-item.h
btrfs: remove search_commit parameter from btrfs_lookup_csums_list()
2024-05-07 21:31:03 +02:00
file.c
btrfs: fix race between direct IO write and fsync when using same fd
2024-09-03 20:29:55 +02:00
file.h
btrfs: move the direct IO code into its own file
2024-07-11 15:33:29 +02:00
free-space-cache.c
btrfs: zoned: properly take lock to read/update block group's zoned variables
2024-08-15 20:35:56 +02:00
free-space-cache.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
free-space-tree.c
btrfs: do not BUG_ON() when freeing tree block after error
2024-07-11 15:33:26 +02:00
free-space-tree.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
fs.c
btrfs: sysfs: update fs features directory asynchronously
2023-02-13 17:50:35 +01:00
fs.h
for-6.11-tag
2024-07-19 14:34:52 -07:00
inode-item.c
btrfs: abort transaction if we don't find extref in btrfs_del_inode_extref()
2024-07-11 15:33:27 +02:00
inode-item.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
inode.c
btrfs: update target inode's ctime on unlink
2024-08-15 20:35:44 +02:00
ioctl.c
for-6.11-tag
2024-07-17 12:38:04 -07:00
ioctl.h
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
Kconfig
btrfs: check-integrity: remove CONFIG_BTRFS_FS_CHECK_INTEGRITY option
2023-10-12 16:44:05 +02:00
locking.c
btrfs: change root->root_key.objectid to btrfs_root_id()
2024-05-07 21:31:06 +02:00
locking.h
btrfs: cleanup recursive include of the same header
2024-07-11 15:33:22 +02:00
lru_cache.c
btrfs: fix typos found by codespell
2023-12-15 23:00:04 +01:00
lru_cache.h
btrfs: cleanup recursive include of the same header
2024-07-11 15:33:22 +02:00
lzo.c
btrfs: enhance compression error messages
2024-07-11 15:52:25 +02:00
Makefile
btrfs: move the direct IO code into its own file
2024-07-11 15:33:29 +02:00
messages.c
btrfs: introduce new "rescue=ignoremetacsums" mount option
2024-07-11 15:33:29 +02:00
messages.h
btrfs: constify fs_info parameter in __btrfs_panic()
2023-12-15 20:27:02 +01:00
misc.h
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
ordered-data.c
btrfs: switch btrfs_ordered_extent::inode to struct btrfs_inode
2024-07-11 15:33:28 +02:00
ordered-data.h
btrfs: switch btrfs_ordered_extent::inode to struct btrfs_inode
2024-07-11 15:33:28 +02:00
orphan.c
btrfs: remove unused included headers
2024-03-04 16:24:46 +01:00
orphan.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
print-tree.c
btrfs: avoid using fixed char array size for tree names
2024-08-02 22:44:27 +02:00
print-tree.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
props.c
btrfs: pass a btrfs_inode to btrfs_set_prop()
2024-07-11 15:33:29 +02:00
props.h
btrfs: pass a btrfs_inode to btrfs_set_prop()
2024-07-11 15:33:29 +02:00
qgroup.c
btrfs: qgroup: don't use extent changeset when not needed
2024-09-02 20:18:08 +02:00
qgroup.h
btrfs: qgroup: preallocate memory before adding a relation
2024-07-11 15:33:27 +02:00
raid56.c
btrfs: rename the extra_gfp parameter of btrfs_alloc_page_array()
2024-07-11 15:33:30 +02:00
raid56.h
btrfs: add forward declarations and headers, part 2
2024-03-04 16:24:49 +01:00
raid-stripe-tree.c
btrfs: update stripe_extent delete loop assumptions
2024-09-10 16:51:12 +02:00
raid-stripe-tree.h
btrfs: remove raid-stripe-tree encoding field from stripe_extent
2024-07-11 15:33:28 +02:00
rcu-string.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
ref-verify.c
btrfs: fix uninitialized return value in the ref-verify tool
2024-07-02 19:14:57 +02:00
ref-verify.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
reflink.c
btrfs: pass a btrfs_inode to btrfs_wait_ordered_range()
2024-07-11 15:33:18 +02:00
reflink.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
relocation.c
- 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN
2024-07-21 17:15:46 -07:00
relocation.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
root-tree.c
btrfs: change root->root_key.objectid to btrfs_root_id()
2024-05-07 21:31:06 +02:00
root-tree.h
btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations
2024-04-02 19:18:23 +02:00
scrub.c
btrfs: scrub: update last_physical after scrubbing one stripe
2024-08-01 17:15:07 +02:00
scrub.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
send.c
btrfs: send: annotate struct name_cache_entry with __counted_by()
2024-08-15 20:35:32 +02:00
send.h
btrfs: pass a btrfs_inode to btrfs_ioctl_send()
2024-07-11 15:33:28 +02:00
space-info.c
btrfs: fix uninitialized return value from btrfs_reclaim_sweep()
2024-08-27 16:42:09 +02:00
space-info.h
btrfs: fix uninitialized return value from btrfs_reclaim_sweep()
2024-08-27 16:42:09 +02:00
subpage.c
btrfs: pass a btrfs_inode to is_data_inode()
2024-07-11 15:33:28 +02:00
subpage.h
btrfs: subpage: introduce helpers to handle subpage delalloc locking
2024-07-11 15:33:22 +02:00
super.c
btrfs: only enable extent map shrinker for DEBUG builds
2024-08-16 21:22:39 +02:00
super.h
btrfs: change BTRFS_MOUNT_* flags to 64bit type
2024-07-19 17:20:23 +02:00
sysfs.c
btrfs: introduce new "rescue=ignoresuperflags" mount option
2024-07-11 15:33:30 +02:00
sysfs.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
transaction.c
btrfs: fix data race when accessing the last_trans field of a root
2024-07-11 15:52:25 +02:00
transaction.h
btrfs: fix race between direct IO write and fsync when using same fd
2024-09-03 20:29:55 +02:00
tree-checker.c
btrfs: tree-checker: add dev extent item checks
2024-08-15 20:35:52 +02:00
tree-checker.h
btrfs: make sure that WRITTEN is set on all metadata blocks
2024-05-02 22:11:13 +02:00
tree-log.c
btrfs: remove super block argument from btrfs_iget()
2024-07-11 15:33:25 +02:00
tree-log.h
btrfs: avoid transaction commit on any fsync after subvolume creation
2024-07-11 15:33:24 +02:00
tree-mod-log.c
btrfs: change root->root_key.objectid to btrfs_root_id()
2024-05-07 21:31:06 +02:00
tree-mod-log.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
ulist.c
btrfs: preallocate ulist memory for qgroup rsv
2024-07-11 15:33:26 +02:00
ulist.h
btrfs: preallocate ulist memory for qgroup rsv
2024-07-11 15:33:26 +02:00
uuid-tree.c
btrfs: move uuid tree related code to uuid-tree.[ch]
2024-09-10 16:51:12 +02:00
uuid-tree.h
btrfs: move uuid tree related code to uuid-tree.[ch]
2024-09-10 16:51:12 +02:00
verity.c
btrfs: remove unused included headers
2024-03-04 16:24:46 +01:00
verity.h
btrfs: add forward declarations and headers, part 1
2024-03-04 16:24:49 +01:00
volumes.c
btrfs: print message on device opening error during mount
2024-09-10 16:51:12 +02:00
volumes.h
btrfs: move uuid tree related code to uuid-tree.[ch]
2024-09-10 16:51:12 +02:00
xattr.c
btrfs: pass a btrfs_inode to btrfs_set_prop()
2024-07-11 15:33:29 +02:00
xattr.h
btrfs: constify pointer parameters where applicable
2024-07-11 15:33:22 +02:00
zlib.c
btrfs: enhance compression error messages
2024-07-11 15:52:25 +02:00
zoned.c
btrfs: zoned: handle broken write pointer on zones
2024-09-02 23:39:34 +02:00
zoned.h
btrfs: change BTRFS_MOUNT_* flags to 64bit type
2024-07-19 17:20:23 +02:00
zstd.c
btrfs: enhance compression error messages
2024-07-11 15:52:25 +02:00