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authorFilipe Manana <fdmanana@suse.com>2024-04-16 20:52:30 +0100
committerDavid Sterba <dsterba@suse.com>2024-05-07 21:31:07 +0200
commitde6f14e83e6221e3ef7e949deabe041240bc1829 (patch)
treedf10b2e7a3fb81e3e4c6a8ba2bf9b5452d365790 /fs
parent2e504418e4645302c40982a64de6a6979ec5489d (diff)
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btrfs: make try_release_extent_mapping() return a bool
Currently try_release_extent_mapping() as an int return type, but we use it as a boolean. Its only caller, the release folio callback, also returns a boolean which corresponds to try_release_extent_mapping()'s return value. So change its return value type to bool as well as its helper try_release_extent_state(). Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/extent_io.c17
-rw-r--r--fs/btrfs/extent_io.h2
-rw-r--r--fs/btrfs/inode.c7
3 files changed, 13 insertions, 13 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 2230e6b6ba95..a9f9f5abdf53 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2355,19 +2355,20 @@ int extent_invalidate_folio(struct extent_io_tree *tree,
* are locked or under IO and drops the related state bits if it is safe
* to drop the page.
*/
-static int try_release_extent_state(struct extent_io_tree *tree,
+static bool try_release_extent_state(struct extent_io_tree *tree,
struct page *page, gfp_t mask)
{
u64 start = page_offset(page);
u64 end = start + PAGE_SIZE - 1;
- int ret = 1;
+ bool ret;
if (test_range_bit_exists(tree, start, end, EXTENT_LOCKED)) {
- ret = 0;
+ ret = false;
} else {
u32 clear_bits = ~(EXTENT_LOCKED | EXTENT_NODATASUM |
EXTENT_DELALLOC_NEW | EXTENT_CTLBITS |
EXTENT_QGROUP_RESERVED);
+ int ret2;
/*
* At this point we can safely clear everything except the
@@ -2375,15 +2376,15 @@ static int try_release_extent_state(struct extent_io_tree *tree,
* The delalloc new bit will be cleared by ordered extent
* completion.
*/
- ret = __clear_extent_bit(tree, start, end, clear_bits, NULL, NULL);
+ ret2 = __clear_extent_bit(tree, start, end, clear_bits, NULL, NULL);
/* if clear_extent_bit failed for enomem reasons,
* we can't allow the release to continue.
*/
- if (ret < 0)
- ret = 0;
+ if (ret2 < 0)
+ ret = false;
else
- ret = 1;
+ ret = true;
}
return ret;
}
@@ -2393,7 +2394,7 @@ static int try_release_extent_state(struct extent_io_tree *tree,
* in the range corresponding to the page, both state records and extent
* map records are removed
*/
-int try_release_extent_mapping(struct page *page, gfp_t mask)
+bool try_release_extent_mapping(struct page *page, gfp_t mask)
{
u64 start = page_offset(page);
u64 end = start + PAGE_SIZE - 1;
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index c81a9b546c9f..f38397765e90 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -230,7 +230,7 @@ static inline void extent_changeset_free(struct extent_changeset *changeset)
kfree(changeset);
}
-int try_release_extent_mapping(struct page *page, gfp_t mask);
+bool try_release_extent_mapping(struct page *page, gfp_t mask);
int try_release_extent_buffer(struct page *page);
int btrfs_read_folio(struct file *file, struct folio *folio);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1dde8085271e..eb0dc913c33b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7899,13 +7899,12 @@ static void wait_subpage_spinlock(struct page *page)
static bool __btrfs_release_folio(struct folio *folio, gfp_t gfp_flags)
{
- int ret = try_release_extent_mapping(&folio->page, gfp_flags);
-
- if (ret == 1) {
+ if (try_release_extent_mapping(&folio->page, gfp_flags)) {
wait_subpage_spinlock(&folio->page);
clear_page_extent_mapped(&folio->page);
+ return true;
}
- return ret;
+ return false;
}
static bool btrfs_release_folio(struct folio *folio, gfp_t gfp_flags)