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-rw-r--r--fs/btrfs/file.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 6ed434ac037..ee3323c7fc1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -123,7 +123,8 @@ static noinline int dirty_and_release_pages(struct btrfs_trans_handle *trans,
123 root->sectorsize - 1) & ~((u64)root->sectorsize - 1); 123 root->sectorsize - 1) & ~((u64)root->sectorsize - 1);
124 124
125 end_of_last_block = start_pos + num_bytes - 1; 125 end_of_last_block = start_pos + num_bytes - 1;
126 err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block); 126 err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block,
127 NULL);
127 if (err) 128 if (err)
128 return err; 129 return err;
129 130
@@ -753,6 +754,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
753 loff_t pos, unsigned long first_index, 754 loff_t pos, unsigned long first_index,
754 unsigned long last_index, size_t write_bytes) 755 unsigned long last_index, size_t write_bytes)
755{ 756{
757 struct extent_state *cached_state = NULL;
756 int i; 758 int i;
757 unsigned long index = pos >> PAGE_CACHE_SHIFT; 759 unsigned long index = pos >> PAGE_CACHE_SHIFT;
758 struct inode *inode = fdentry(file)->d_inode; 760 struct inode *inode = fdentry(file)->d_inode;
@@ -781,16 +783,18 @@ again:
781 } 783 }
782 if (start_pos < inode->i_size) { 784 if (start_pos < inode->i_size) {
783 struct btrfs_ordered_extent *ordered; 785 struct btrfs_ordered_extent *ordered;
784 lock_extent(&BTRFS_I(inode)->io_tree, 786 lock_extent_bits(&BTRFS_I(inode)->io_tree,
785 start_pos, last_pos - 1, GFP_NOFS); 787 start_pos, last_pos - 1, 0, &cached_state,
788 GFP_NOFS);
786 ordered = btrfs_lookup_first_ordered_extent(inode, 789 ordered = btrfs_lookup_first_ordered_extent(inode,
787 last_pos - 1); 790 last_pos - 1);
788 if (ordered && 791 if (ordered &&
789 ordered->file_offset + ordered->len > start_pos && 792 ordered->file_offset + ordered->len > start_pos &&
790 ordered->file_offset < last_pos) { 793 ordered->file_offset < last_pos) {
791 btrfs_put_ordered_extent(ordered); 794 btrfs_put_ordered_extent(ordered);
792 unlock_extent(&BTRFS_I(inode)->io_tree, 795 unlock_extent_cached(&BTRFS_I(inode)->io_tree,
793 start_pos, last_pos - 1, GFP_NOFS); 796 start_pos, last_pos - 1,
797 &cached_state, GFP_NOFS);
794 for (i = 0; i < num_pages; i++) { 798 for (i = 0; i < num_pages; i++) {
795 unlock_page(pages[i]); 799 unlock_page(pages[i]);
796 page_cache_release(pages[i]); 800 page_cache_release(pages[i]);
@@ -802,12 +806,13 @@ again:
802 if (ordered) 806 if (ordered)
803 btrfs_put_ordered_extent(ordered); 807 btrfs_put_ordered_extent(ordered);
804 808
805 clear_extent_bits(&BTRFS_I(inode)->io_tree, start_pos, 809 clear_extent_bit(&BTRFS_I(inode)->io_tree, start_pos,
806 last_pos - 1, EXTENT_DIRTY | EXTENT_DELALLOC | 810 last_pos - 1, EXTENT_DIRTY | EXTENT_DELALLOC |
807 EXTENT_DO_ACCOUNTING, 811 EXTENT_DO_ACCOUNTING, 0, 0, &cached_state,
808 GFP_NOFS); 812 GFP_NOFS);
809 unlock_extent(&BTRFS_I(inode)->io_tree, 813 unlock_extent_cached(&BTRFS_I(inode)->io_tree,
810 start_pos, last_pos - 1, GFP_NOFS); 814 start_pos, last_pos - 1, &cached_state,
815 GFP_NOFS);
811 } 816 }
812 for (i = 0; i < num_pages; i++) { 817 for (i = 0; i < num_pages; i++) {
813 clear_page_dirty_for_io(pages[i]); 818 clear_page_dirty_for_io(pages[i]);