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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-18 16:50:55 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-18 16:50:55 -0700 |
commit | 441f4058a04b2943685ff94e0f5f1992b0b3649e (patch) | |
tree | 80a61f6dddcf7d5831a8bd3771ffa2b430af3935 /fs/btrfs/file.c | |
parent | 7c34691abe23741bfc7d2514efd5a39f0e0ecb06 (diff) | |
parent | 8ad6fcab564c5bc956bdc3dfa440ab152b6e780f (diff) | |
download | blackbird-op-linux-441f4058a04b2943685ff94e0f5f1992b0b3649e.tar.gz blackbird-op-linux-441f4058a04b2943685ff94e0f5f1992b0b3649e.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (30 commits)
Btrfs: fix the inode ref searches done by btrfs_search_path_in_tree
Btrfs: allow treeid==0 in the inode lookup ioctl
Btrfs: return keys for large items to the search ioctl
Btrfs: fix key checks and advance in the search ioctl
Btrfs: buffer results in the space_info ioctl
Btrfs: use __u64 types in ioctl.h
Btrfs: fix search_ioctl key advance
Btrfs: fix gfp flags masking in the compression code
Btrfs: don't look at bio flags after submit_bio
btrfs: using btrfs_stack_device_id() get devid
btrfs: use memparse
Btrfs: add a "df" ioctl for btrfs
Btrfs: cache the extent state everywhere we possibly can V2
Btrfs: cache ordered extent when completing io
Btrfs: cache extent state in find_delalloc_range
Btrfs: change the ordered tree to use a spinlock instead of a mutex
Btrfs: finish read pages in the order they are submitted
btrfs: fix btrfs_mkdir goto for no free objectids
Btrfs: flush data on snapshot creation
Btrfs: make df be a little bit more understandable
...
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r-- | fs/btrfs/file.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 6ed434ac037f..ee3323c7fc1c 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, root->sectorsize - 1) & ~((u64)root->sectorsize - 1); end_of_last_block = start_pos + num_bytes - 1; - err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block); + err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block, + NULL); if (err) return err; @@ -753,6 +754,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file, loff_t pos, unsigned long first_index, unsigned long last_index, size_t write_bytes) { + struct extent_state *cached_state = NULL; int i; unsigned long index = pos >> PAGE_CACHE_SHIFT; struct inode *inode = fdentry(file)->d_inode; @@ -781,16 +783,18 @@ again: } if (start_pos < inode->i_size) { struct btrfs_ordered_extent *ordered; - lock_extent(&BTRFS_I(inode)->io_tree, - start_pos, last_pos - 1, GFP_NOFS); + lock_extent_bits(&BTRFS_I(inode)->io_tree, + start_pos, last_pos - 1, 0, &cached_state, + GFP_NOFS); ordered = btrfs_lookup_first_ordered_extent(inode, last_pos - 1); if (ordered && ordered->file_offset + ordered->len > start_pos && ordered->file_offset < last_pos) { btrfs_put_ordered_extent(ordered); - unlock_extent(&BTRFS_I(inode)->io_tree, - start_pos, last_pos - 1, GFP_NOFS); + unlock_extent_cached(&BTRFS_I(inode)->io_tree, + start_pos, last_pos - 1, + &cached_state, GFP_NOFS); for (i = 0; i < num_pages; i++) { unlock_page(pages[i]); page_cache_release(pages[i]); @@ -802,12 +806,13 @@ again: if (ordered) btrfs_put_ordered_extent(ordered); - clear_extent_bits(&BTRFS_I(inode)->io_tree, start_pos, + clear_extent_bit(&BTRFS_I(inode)->io_tree, start_pos, last_pos - 1, EXTENT_DIRTY | EXTENT_DELALLOC | - EXTENT_DO_ACCOUNTING, + EXTENT_DO_ACCOUNTING, 0, 0, &cached_state, GFP_NOFS); - unlock_extent(&BTRFS_I(inode)->io_tree, - start_pos, last_pos - 1, GFP_NOFS); + unlock_extent_cached(&BTRFS_I(inode)->io_tree, + start_pos, last_pos - 1, &cached_state, + GFP_NOFS); } for (i = 0; i < num_pages; i++) { clear_page_dirty_for_io(pages[i]); |