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| author | Nikolay Borisov <n.borisov.lkml@gmail.com> | 2017-02-20 13:50:50 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-02-28 11:30:09 +0100 |
| commit | 85b7ab6705d9a2e6173361f5da7cbf8f9eb07864 (patch) | |
| tree | 784599e8b63bb342d7a457a7b9edbf34eb14cd31 | |
| parent | a776c6fa1feba7a84519170ebdb7f4a4155b89d6 (diff) | |
| download | linux-stable-85b7ab6705d9a2e6173361f5da7cbf8f9eb07864.tar.gz linux-stable-85b7ab6705d9a2e6173361f5da7cbf8f9eb07864.tar.bz2 linux-stable-85b7ab6705d9a2e6173361f5da7cbf8f9eb07864.zip | |
btrfs: Make check_can_nocow take btrfs_inode
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/file.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index f3648e9bfa01..1d09eccec477 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1474,11 +1474,11 @@ lock_and_cleanup_extent_if_need(struct inode *inode, struct page **pages, return ret; } -static noinline int check_can_nocow(struct inode *inode, loff_t pos, +static noinline int check_can_nocow(struct btrfs_inode *inode, loff_t pos, size_t *write_bytes) { - struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb); + struct btrfs_root *root = inode->root; struct btrfs_ordered_extent *ordered; u64 lockstart, lockend; u64 num_bytes; @@ -1493,19 +1493,20 @@ static noinline int check_can_nocow(struct inode *inode, loff_t pos, fs_info->sectorsize) - 1; while (1) { - lock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend); - ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), lockstart, + lock_extent(&inode->io_tree, lockstart, lockend); + ordered = btrfs_lookup_ordered_range(inode, lockstart, lockend - lockstart + 1); if (!ordered) { break; } - unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend); - btrfs_start_ordered_extent(inode, ordered, 1); + unlock_extent(&inode->io_tree, lockstart, lockend); + btrfs_start_ordered_extent(&inode->vfs_inode, ordered, 1); btrfs_put_ordered_extent(ordered); } num_bytes = lockend - lockstart + 1; - ret = can_nocow_extent(inode, lockstart, &num_bytes, NULL, NULL, NULL); + ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes, + NULL, NULL, NULL); if (ret <= 0) { ret = 0; btrfs_end_write_no_snapshoting(root); @@ -1514,7 +1515,7 @@ static noinline int check_can_nocow(struct inode *inode, loff_t pos, num_bytes - pos + lockstart); } - unlock_extent(&BTRFS_I(inode)->io_tree, lockstart, lockend); + unlock_extent(&inode->io_tree, lockstart, lockend); return ret; } @@ -1579,7 +1580,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, if (ret < 0) { if ((BTRFS_I(inode)->flags & (BTRFS_INODE_NODATACOW | BTRFS_INODE_PREALLOC)) && - check_can_nocow(inode, pos, &write_bytes) > 0) { + check_can_nocow(BTRFS_I(inode), pos, + &write_bytes) > 0) { /* * For nodata cow case, no need to reserve * data space. |