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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 03c10e0ba0..8f724c54fc 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -21,7 +21,6 @@
#include "ctree.h"
#include "btrfs_inode.h"
#include "bio.h"
-#include "check-integrity.h"
#include "locking.h"
#include "rcu-string.h"
#include "backref.h"
@@ -395,7 +394,7 @@ again:
/* then test to make sure it is all still delalloc */
ret = test_range_bit(tree, delalloc_start, delalloc_end,
- EXTENT_DELALLOC, 1, cached_state);
+ EXTENT_DELALLOC, cached_state);
if (!ret) {
unlock_extent(tree, delalloc_start, delalloc_end,
&cached_state);
@@ -2299,7 +2298,7 @@ static int try_release_extent_state(struct extent_io_tree *tree,
u64 end = start + PAGE_SIZE - 1;
int ret = 1;
- if (test_range_bit(tree, start, end, EXTENT_LOCKED, 0, NULL)) {
+ if (test_range_bit_exists(tree, start, end, EXTENT_LOCKED)) {
ret = 0;
} else {
u32 clear_bits = ~(EXTENT_LOCKED | EXTENT_NODATASUM |
@@ -2359,9 +2358,9 @@ int try_release_extent_mapping(struct page *page, gfp_t mask)
free_extent_map(em);
break;
}
- if (test_range_bit(tree, em->start,
- extent_map_end(em) - 1,
- EXTENT_LOCKED, 0, NULL))
+ if (test_range_bit_exists(tree, em->start,
+ extent_map_end(em) - 1,
+ EXTENT_LOCKED))
goto next;
/*
* If it's not in the list of modified extents, used
@@ -3461,6 +3460,12 @@ static int check_eb_alignment(struct btrfs_fs_info *fs_info, u64 start)
start, fs_info->nodesize);
return -EINVAL;
}
+ if (!IS_ALIGNED(start, fs_info->nodesize) &&
+ !test_and_set_bit(BTRFS_FS_UNALIGNED_TREE_BLOCK, &fs_info->flags)) {
+ btrfs_warn(fs_info,
+"tree block not nodesize aligned, start %llu nodesize %u, can be resolved by a full metadata balance",
+ start, fs_info->nodesize);
+ }
return 0;
}
@@ -4254,14 +4259,14 @@ void copy_extent_buffer(const struct extent_buffer *dst,
}
/*
- * eb_bitmap_offset() - calculate the page and offset of the byte containing the
- * given bit number
- * @eb: the extent buffer
- * @start: offset of the bitmap item in the extent buffer
- * @nr: bit number
- * @page_index: return index of the page in the extent buffer that contains the
- * given bit number
- * @page_offset: return offset into the page given by page_index
+ * Calculate the page and offset of the byte containing the given bit number.
+ *
+ * @eb: the extent buffer
+ * @start: offset of the bitmap item in the extent buffer
+ * @nr: bit number
+ * @page_index: return index of the page in the extent buffer that contains
+ * the given bit number
+ * @page_offset: return offset into the page given by page_index
*
* This helper hides the ugliness of finding the byte in an extent buffer which
* contains a given bit.
@@ -4620,7 +4625,8 @@ int try_release_extent_buffer(struct page *page)
}
/*
- * btrfs_readahead_tree_block - attempt to readahead a child block
+ * Attempt to readahead a child block.
+ *
* @fs_info: the fs_info
* @bytenr: bytenr to read
* @owner_root: objectid of the root that owns this eb
@@ -4659,7 +4665,8 @@ void btrfs_readahead_tree_block(struct btrfs_fs_info *fs_info,
}
/*
- * btrfs_readahead_node_child - readahead a node's child block
+ * Readahead a node's child block.
+ *
* @node: parent node we're reading from
* @slot: slot in the parent node for the child we want to read
*