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authorNikolay Borisov <n.borisov.lkml@gmail.com>2017-02-20 13:50:50 +0200
committerDavid Sterba <dsterba@suse.com>2017-02-28 11:30:09 +0100
commit85b7ab6705d9a2e6173361f5da7cbf8f9eb07864 (patch)
tree784599e8b63bb342d7a457a7b9edbf34eb14cd31 /fs/btrfs
parenta776c6fa1feba7a84519170ebdb7f4a4155b89d6 (diff)
downloadlinux-85b7ab6705d9a2e6173361f5da7cbf8f9eb07864.tar.bz2
btrfs: Make check_can_nocow take btrfs_inode
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/file.c22
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.