diff options
author | Jens Axboe <axboe@fb.com> | 2014-09-11 09:31:18 -0600 |
---|---|---|
committer | Jens Axboe <axboe@fb.com> | 2014-09-11 09:31:18 -0600 |
commit | b207892b061da7608878e273ae22ba9bf9be264b (patch) | |
tree | 51daa46b89b83cad422941f52110b19571b85b79 /fs/btrfs/file.c | |
parent | 018a17bdc8658ad448497c84d4ba21b6985820ec (diff) | |
parent | a516440542afcb9647f88d12c35640baf02d07ea (diff) | |
download | linux-b207892b061da7608878e273ae22ba9bf9be264b.tar.gz linux-b207892b061da7608878e273ae22ba9bf9be264b.tar.bz2 linux-b207892b061da7608878e273ae22ba9bf9be264b.zip |
Merge branch 'for-linus' into for-3.18/core
A bit of churn on the for-linus side that would be nice to have
in the core bits for 3.18, so pull it in to catch us up and make
forward progress easier.
Signed-off-by: Jens Axboe <axboe@fb.com>
Conflicts:
block/scsi_ioctl.c
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r-- | fs/btrfs/file.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index d3afac292d67..36861b7a6757 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1840,7 +1840,15 @@ int btrfs_release_file(struct inode *inode, struct file *filp) { if (filp->private_data) btrfs_ioctl_trans_end(filp); - filemap_flush(inode->i_mapping); + /* + * ordered_data_close is set by settattr when we are about to truncate + * a file from a non-zero size to a zero size. This tries to + * flush down new bytes that may have been written if the + * application were using truncate to replace a file in place. + */ + if (test_and_clear_bit(BTRFS_INODE_ORDERED_DATA_CLOSE, + &BTRFS_I(inode)->runtime_flags)) + filemap_flush(inode->i_mapping); return 0; } @@ -2088,10 +2096,9 @@ static int fill_holes(struct btrfs_trans_handle *trans, struct inode *inode, goto out; } - if (hole_mergeable(inode, leaf, path->slots[0]+1, offset, end)) { + if (hole_mergeable(inode, leaf, path->slots[0], offset, end)) { u64 num_bytes; - path->slots[0]++; key.offset = offset; btrfs_set_item_key_safe(root, path, &key); fi = btrfs_item_ptr(leaf, path->slots[0], @@ -2216,7 +2223,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) goto out_only_mutex; } - lockstart = round_up(offset , BTRFS_I(inode)->root->sectorsize); + lockstart = round_up(offset, BTRFS_I(inode)->root->sectorsize); lockend = round_down(offset + len, BTRFS_I(inode)->root->sectorsize) - 1; same_page = ((offset >> PAGE_CACHE_SHIFT) == @@ -2277,7 +2284,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) tail_start + tail_len, 0, 1); if (ret) goto out_only_mutex; - } + } } } |