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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-08 13:03:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-08 13:03:35 -0700
commitf8409abdc592e13cefbe4e4a24a84b3d5741e85f (patch)
treeb016b7158eb080d59bf79605958cb746d545f56d /mm/page-writeback.c
parentb20dcab9d4589ef9918a13c888c5493945adfc13 (diff)
parentbd9db175dde14b606265e0d37e8319d96fe1a58f (diff)
Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o: "Clean ups and miscellaneous bug fixes, in particular for the new collapse_range and zero_range fallocate functions. In addition, improve the scalability of adding and remove inodes from the orphan list" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits) ext4: handle symlink properly with inline_data ext4: fix wrong assert in ext4_mb_normalize_request() ext4: fix zeroing of page during writeback ext4: remove unused local variable "stored" from ext4_readdir(...) ext4: fix ZERO_RANGE test failure in data journalling ext4: reduce contention on s_orphan_lock ext4: use sbi in ext4_orphan_{add|del}() ext4: use EXT_MAX_BLOCKS in ext4_es_can_be_merged() ext4: add missing BUFFER_TRACE before ext4_journal_get_write_access ext4: remove unnecessary double parentheses ext4: do not destroy ext4_groupinfo_caches if ext4_mb_init() fails ext4: make local functions static ext4: fix block bitmap validation when bigalloc, ^flex_bg ext4: fix block bitmap initialization under sparse_super2 ext4: find the group descriptors on a 1k-block bigalloc,meta_bg filesystem ext4: avoid unneeded lookup when xattr name is invalid ext4: fix data integrity sync in ordered mode ext4: remove obsoleted check ext4: add a new spinlock i_raw_lock to protect the ext4's raw inode ext4: fix locking for O_APPEND writes ...
Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r--mm/page-writeback.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 7d9a4ef0a078..518e2c3f4c75 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2380,7 +2380,7 @@ int test_clear_page_writeback(struct page *page)
return ret;
}
-int test_set_page_writeback(struct page *page)
+int __test_set_page_writeback(struct page *page, bool keep_write)
{
struct address_space *mapping = page_mapping(page);
int ret;
@@ -2405,9 +2405,10 @@ int test_set_page_writeback(struct page *page)
radix_tree_tag_clear(&mapping->page_tree,
page_index(page),
PAGECACHE_TAG_DIRTY);
- radix_tree_tag_clear(&mapping->page_tree,
- page_index(page),
- PAGECACHE_TAG_TOWRITE);
+ if (!keep_write)
+ radix_tree_tag_clear(&mapping->page_tree,
+ page_index(page),
+ PAGECACHE_TAG_TOWRITE);
spin_unlock_irqrestore(&mapping->tree_lock, flags);
} else {
ret = TestSetPageWriteback(page);
@@ -2418,7 +2419,7 @@ int test_set_page_writeback(struct page *page)
return ret;
}
-EXPORT_SYMBOL(test_set_page_writeback);
+EXPORT_SYMBOL(__test_set_page_writeback);
/*
* Return true if any of the pages in the mapping are marked with the