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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There's no need for the 'out' label as there are no resources to cleanup
in case of an error and we can directly return if begin_cmd() fails.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Extract the logic to rename the current inode at process_recorded_refs()
into a helper function and use it, therefore removing duplicated logic
and making it easier for an upcoming patch by avoiding yet more duplicated
logic.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have several local variables at process_recorded_refs() that are used
as booleans, with some of them having a 'bool' type while two of them
having an 'int' type. Change this to make them all use the 'bool' type
which is more clear and to make everything more consistent.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We always send xattrs for the current inode only and both callers of
send_set_xattr() pass a path for the current inode. So move the path
allocation and computation to send_set_xattr(), reducing duplicated
code. This also facilitates an upcoming patch.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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When attempting to build a too long path we are currently returning
-ENOMEM, which is very odd and misleading. So update fs_path_ensure_buf()
to return -ENAMETOOLONG instead. Also, while at it, move the WARN_ON()
into the if statement's expression, as it makes it clear what is being
tested and also has the effect of adding 'unlikely' to the statement,
which allows the compiler to generate better code as this condition is
never expected to happen.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The helper fs_path_add_path() is basically a copy of fs_path_add() and it
can be made a wrapper around fs_path_add(). So do that and also make it
inline and constify its second argument.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There is no need to have an 'out' label and jump into it since there are
no resource cleanups to perform (release locks, free memory, etc), so
make this simpler by removing the label and goto and instead return
directly.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Several places are hardcoding the path length calculation instead of using
the helper fs_path_len() for that. Update all those places to instead use
fs_path_len().
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The helper function fs_path_len() is trivial and doesn't need to change
its path argument, so make it inline and constify the argument.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There's duplicated logic in both branches of the if statement, so move it
outside the branches.
This also reduces the object code size.
Before this change:
$ size fs/btrfs/btrfs.ko
text data bss dec hex filename
1746279 163600 16920 1926799 1d668f fs/btrfs/btrfs.ko
After this change:
$ size fs/btrfs/btrfs.ko
text data bss dec hex filename
1746047 163592 16920 1926559 1d659f fs/btrfs/btrfs.ko
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use a struct btrfs_inode in btrfs_get_name() as it's an internal
helper, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use a struct btrfs_inode to btrfs_get_parent() as it's an internal
helper, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use a struct btrfs_inode in btrfs_remap_file_range_prep() as it's an
internal helper, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use a struct btrfs_inode to btrfs_remap_file_range() as it's an internal
helper, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_extent_same_range() as it's an
internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_double_mmap_unlock() as it's an
internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_double_mmap_lock() as it's an
internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to clone_copy_inline_extent() as it's an
internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to the extract() callback as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to the apply() callback as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_inherit_props() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_load_inode_props() as it's an
internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_fill_inode() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to fill_stack_inode_item() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use a struct btrfs_inode in create_pending_snapshot() as it's an
internal helper, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_defrag_file() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_inode() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to new_simple_dir() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_inode() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to btrfs_read_locked_inode() as it's an
internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to extent_range_clear_dirty_for_io() as it's
an internal interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass a struct btrfs_inode to can_nocow_extent() as it's an internal
interface, allowing to remove some use of BTRFS_I.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Pass over all header files and add missing forward declarations,
includes or fix include types.
Signed-off-by: David Sterba <dsterba@suse.com>
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There's a label that does nothing else than return, so remove it and
also change other gotos to immediate returns as the function is short
enough for this pattern.
Signed-off-by: David Sterba <dsterba@suse.com>
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The btrfs_key is defined as objectid/type/offset and the keys are also
printed like that. For better readability, update all key
initializations to match this order.
Signed-off-by: David Sterba <dsterba@suse.com>
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When using offset_in_page() it's clear what it means, we don't need to
store it in the local variable just to use it right away. There's no
change in the generated code, but keeps the declarations smaller.
Signed-off-by: David Sterba <dsterba@suse.com>
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Reduce stack consumption of zstd_compress_folios() by 40 bytes
(10*sizeof(int)) as we can store struct zstd_parameters in the workspace
that is reused for each call.
typedef struct {
ZSTD_compressionParameters cParams;
ZSTD_frameParameters fParams;
} ZSTD_parameters;
typedef struct {
unsigned windowLog;
unsigned chainLog;
unsigned hashLog;
unsigned searchLog;
unsigned minMatch;
unsigned targetLength;
ZSTD_strategy strategy;
} ZSTD_compressionParameters;
typedef struct {
int contentSizeFlag;
int checksumFlag;
int noDictIDFlag;
} ZSTD_frameParameters;
Signed-off-by: David Sterba <dsterba@suse.com>
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Use bool for 0/1 indicators in thresh_exec_hook() and
btrfs_work_helper().
Signed-off-by: David Sterba <dsterba@suse.com>
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This is a wrapper that leads to a panic, so add the annotation like the
other similar functions have.
Signed-off-by: David Sterba <dsterba@suse.com>
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If BTRFS_FS_NEED_ZONE_FINISH is already set for the whole filesystem, exit
early in btrfs_can_activate_zone(). There's no need to check if
BTRFS_FS_NEED_ZONE_FINISH needs to be set if it is already set.
Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Since we have btrfs_meta_is_subpage(), we should make btrfs_is_subpage()
to be data inode specific.
This change involves:
- Simplify btrfs_is_subpage()
Now we only need to do a very simple sectorsize check against
PAGE_SIZE.
And since the function is pretty simple now, just make it an inline
function.
- Add an extra ASSERT() to make sure btrfs_is_subpage() is only called
on data inode mapping
- Migrate btree_csum_one_bio() to use btrfs_meta_folio_*() helpers
- Migrate alloc_extent_buffer() to use btrfs_meta_folio_*() helpers
- Migrate end_bbio_meta_write() to use btrfs_meta_folio_*() helpers
Or we will trigger the ASSERT() due to calling btrfs_folio_*() on
metadata folios.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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By using a shared bio_add_folio_nofail() with calculated
range_start/range_len, so no more explicit subpage routine needed.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Currently inside write_one_eb() we have two different ways of handling
subpage and regular metadata.
The differences are:
- Extra offset/length calculation when adding the folio range to bio for
subpage cases
- Only decrease wbc->nr_to_write if the whole page is no longer dirty
for subpage cases
- Use subpage helper for subpage cases
Merge the tow ways into a shared one:
- Always calculate the to-be-queued range
So that bio_add_folio() can use the same calculated resulted length
and offset for both cases.
- Use btrfs_meta_folio_clear_dirty() and
btrfs_meta_folio_set_writeback() helpers
This will cover both cases.
- Only decrease wbc->nr_to_write if the folio is no longer dirty
Since we have the folio locked, no one else can modify the folio dirty
flags (set_extent_buffer_dirty() will also lock the folio for subpage
cases).
Thus after our btrfs_meta_folio_clear_dirty() call, if the whole folio
is no longer dirty, we're submitting the last dirty eb of the folio,
and can decrease wbc->nr_to_write properly.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The function btrfs_clear_buffer_dirty() is called on dirty extent buffer
that will not be written back.
The function will call btree_clear_folio_dirty() to clear the folio
dirty flag and also clear PAGECACHE_TAG_DIRTY flag.
And we split the subpage and regular handling, as for subpage cases we
should only clear PAGECACHE_TAG_DIRTY if the last dirty extent buffer in
the page is cleared.
So here we can simplify the function by:
- Use the newly introduced btrfs_meta_folio_clear_and_test_dirty() helper
The helper will return true if we cleared the folio dirty flag.
With that we can use the same helper for both subpage and regular
cases.
- Rename btree_clear_folio_dirty() to btree_clear_folio_dirty_tag()
As we move the folio dirty clearing in the btrfs_clear_buffer_dirty().
- Call btrfs_meta_folio_clear_and_test_dirty() to clear the dirty flags
for both regular and subpage metadata cases
- Only call btree_clear_folio_dirty_tag() when the folio is no longer
dirty
- Update the comment inside set_extent_buffer_dirty()
As there is no separate clear_subpage_extent_buffer_dirty() anymore.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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