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Diffstat (limited to 'fs/btrfs/reflink.c')
-rw-r--r--fs/btrfs/reflink.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index a3549d587464..9acf47b11fe6 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -5,6 +5,7 @@
#include "compression.h"
#include "ctree.h"
#include "delalloc-space.h"
+#include "disk-io.h"
#include "reflink.h"
#include "transaction.h"
#include "subpage.h"
@@ -22,8 +23,10 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans,
int ret;
inode_inc_iversion(inode);
- if (!no_time_update)
- inode->i_mtime = inode->i_ctime = current_time(inode);
+ if (!no_time_update) {
+ inode->i_mtime = current_time(inode);
+ inode->i_ctime = inode->i_mtime;
+ }
/*
* We round up to the block size at eof when determining which
* extents to clone above, but shouldn't round up the file size.
@@ -110,7 +113,6 @@ static int copy_inline_to_page(struct btrfs_inode *inode,
if (comp_type == BTRFS_COMPRESS_NONE) {
memcpy_to_page(page, offset_in_page(file_offset), data_start,
datal);
- flush_dcache_page(page);
} else {
ret = btrfs_decompress(comp_type, data_start, page,
offset_in_page(file_offset),
@@ -132,10 +134,8 @@ static int copy_inline_to_page(struct btrfs_inode *inode,
*
* So what's in the range [500, 4095] corresponds to zeroes.
*/
- if (datal < block_size) {
+ if (datal < block_size)
memzero_page(page, datal, block_size - datal);
- flush_dcache_page(page);
- }
btrfs_page_set_uptodate(fs_info, page, file_offset, block_size);
btrfs_page_clear_checked(fs_info, page, file_offset, block_size);
@@ -658,7 +658,8 @@ static void btrfs_double_mmap_unlock(struct inode *inode1, struct inode *inode2)
static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len,
struct inode *dst, u64 dst_loff)
{
- const u64 bs = BTRFS_I(src)->root->fs_info->sb->s_blocksize;
+ struct btrfs_fs_info *fs_info = BTRFS_I(src)->root->fs_info;
+ const u64 bs = fs_info->sb->s_blocksize;
int ret;
/*
@@ -669,6 +670,8 @@ static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len,
ret = btrfs_clone(src, dst, loff, len, ALIGN(len, bs), dst_loff, 1);
btrfs_double_extent_unlock(src, loff, dst, dst_loff, len);
+ btrfs_btree_balance_dirty(fs_info);
+
return ret;
}
@@ -778,6 +781,8 @@ static noinline int btrfs_clone_files(struct file *file, struct file *file_src,
round_down(destoff, PAGE_SIZE),
round_up(destoff + len, PAGE_SIZE) - 1);
+ btrfs_btree_balance_dirty(fs_info);
+
return ret;
}