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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-05 19:20:54 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-05 19:20:54 +0000 |
commit | 9cf27fc03a2eaf3d91167db54c19bad8652ac085 (patch) | |
tree | 42f079ff82e701ebcb76829974b4caca3e5b6798 /fs/btrfs/extent_io.h | |
parent | Adding upstream version 6.8.12. (diff) | |
download | linux-9cf27fc03a2eaf3d91167db54c19bad8652ac085.tar.xz linux-9cf27fc03a2eaf3d91167db54c19bad8652ac085.zip |
Adding upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/btrfs/extent_io.h')
-rw-r--r-- | fs/btrfs/extent_io.h | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 2c9d6570b0..e3530d427e 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -7,11 +7,32 @@ #include <linux/refcount.h> #include <linux/fiemap.h> #include <linux/btrfs_tree.h> +#include <linux/spinlock.h> +#include <linux/atomic.h> +#include <linux/rwsem.h> +#include <linux/list.h> +#include <linux/slab.h> #include "compression.h" +#include "messages.h" #include "ulist.h" #include "misc.h" +struct page; +struct file; +struct folio; +struct inode; +struct fiemap_extent_info; +struct readahead_control; +struct address_space; +struct writeback_control; +struct extent_io_tree; +struct extent_map_tree; +struct btrfs_block_group; +struct btrfs_fs_info; +struct btrfs_inode; +struct btrfs_root; struct btrfs_trans_handle; +struct btrfs_tree_parent_check; enum { EXTENT_BUFFER_UPTODATE, @@ -63,11 +84,6 @@ enum { #define BITMAP_LAST_BYTE_MASK(nbits) \ (BYTE_MASK >> (-(nbits) & (BITS_PER_BYTE - 1))) -struct btrfs_root; -struct btrfs_inode; -struct btrfs_fs_info; -struct extent_io_tree; -struct btrfs_tree_parent_check; int __init extent_buffer_init_cachep(void); void __cold extent_buffer_free_cachep(void); @@ -75,7 +91,8 @@ void __cold extent_buffer_free_cachep(void); #define INLINE_EXTENT_BUFFER_PAGES (BTRFS_MAX_METADATA_BLOCKSIZE / PAGE_SIZE) struct extent_buffer { u64 start; - unsigned long len; + u32 len; + u32 folio_size; unsigned long bflags; struct btrfs_fs_info *fs_info; @@ -90,6 +107,7 @@ struct extent_buffer { int read_mirror; /* >= 0 if eb belongs to a log tree, -1 otherwise */ s8 log_index; + u8 folio_shift; struct rcu_head rcu_head; struct rw_semaphore lock; @@ -113,6 +131,13 @@ struct btrfs_eb_write_context { struct btrfs_block_group *zoned_bg; }; +static inline unsigned long offset_in_eb_folio(const struct extent_buffer *eb, + u64 start) +{ + ASSERT(eb->folio_size); + return start & (eb->folio_size - 1); +} + /* * Get the correct offset inside the page of extent buffer. * @@ -151,13 +176,13 @@ static inline unsigned long get_eb_folio_index(const struct extent_buffer *eb, * the folio_shift would be large enough to always make us * return 0 as index. * 1.2) Several page sized folios - * The folio_shift() would be PAGE_SHIFT, giving us the correct + * The folio_shift would be PAGE_SHIFT, giving us the correct * index. * * 2) sectorsize < PAGE_SIZE and nodesize < PAGE_SIZE case * The folio would only be page sized, and always give us 0 as index. */ - return offset >> folio_shift(eb->folios[0]); + return offset >> eb->folio_shift; } /* @@ -205,8 +230,6 @@ static inline void extent_changeset_free(struct extent_changeset *changeset) kfree(changeset); } -struct extent_map_tree; - int try_release_extent_mapping(struct page *page, gfp_t mask); int try_release_extent_buffer(struct page *page); |