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-rw-r--r--fs/btrfs/ctree.h4
-rw-r--r--fs/btrfs/ioctl.c10
-rw-r--r--fs/ocfs2/file.c17
-rw-r--r--fs/read_write.c4
-rw-r--r--fs/xfs/xfs_file.c19
5 files changed, 15 insertions, 39 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 118346aceea9..1c7c13334423 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3247,8 +3247,8 @@ void btrfs_get_block_group_info(struct list_head *groups_list,
struct btrfs_ioctl_space_info *space);
void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_balance_args *bargs);
-ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
- struct file *dst_file, u64 dst_loff);
+int btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
+ struct file *dst_file, u64 dst_loff);
/* file.c */
int __init btrfs_auto_defrag_init(void);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index c2837a32d689..94dc8e6c44ce 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3600,13 +3600,12 @@ out_free:
return ret;
}
-ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
- struct file *dst_file, u64 dst_loff)
+int btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
+ struct file *dst_file, u64 dst_loff)
{
struct inode *src = file_inode(src_file);
struct inode *dst = file_inode(dst_file);
u64 bs = BTRFS_I(src)->root->fs_info->sb->s_blocksize;
- ssize_t res;
if (WARN_ON_ONCE(bs < PAGE_SIZE)) {
/*
@@ -3617,10 +3616,7 @@ ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
return -EINVAL;
}
- res = btrfs_extent_same(src, loff, olen, dst, dst_loff);
- if (res)
- return res;
- return olen;
+ return btrfs_extent_same(src, loff, olen, dst, dst_loff);
}
static int clone_finish_inode_update(struct btrfs_trans_handle *trans,
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 255f758af03a..f96f018463f7 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2537,19 +2537,14 @@ static int ocfs2_file_clone_range(struct file *file_in,
len, false);
}
-static ssize_t ocfs2_file_dedupe_range(struct file *src_file,
- u64 loff,
- u64 len,
- struct file *dst_file,
- u64 dst_loff)
+static int ocfs2_file_dedupe_range(struct file *src_file,
+ u64 loff,
+ u64 len,
+ struct file *dst_file,
+ u64 dst_loff)
{
- int error;
-
- error = ocfs2_reflink_remap_range(src_file, loff, dst_file, dst_loff,
+ return ocfs2_reflink_remap_range(src_file, loff, dst_file, dst_loff,
len, true);
- if (error)
- return error;
- return len;
}
const struct inode_operations ocfs2_file_iops = {
diff --git a/fs/read_write.c b/fs/read_write.c
index f43bb12b4759..fa64e51ef4cf 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1976,7 +1976,7 @@ int vfs_dedupe_file_range(struct file *file, struct file_dedupe_range *same)
u16 count = same->dest_count;
struct file *dst_file;
loff_t dst_off;
- ssize_t deduped;
+ int deduped;
if (!(file->f_mode & FMODE_READ))
return -EINVAL;
@@ -2056,7 +2056,7 @@ int vfs_dedupe_file_range(struct file *file, struct file_dedupe_range *same)
else if (deduped < 0)
info->status = deduped;
else
- info->bytes_deduped += deduped;
+ info->bytes_deduped += len;
}
next_file:
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index a3e7767a5715..547ef7e8aec1 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -933,7 +933,7 @@ xfs_file_clone_range(
len, false);
}
-STATIC ssize_t
+STATIC int
xfs_file_dedupe_range(
struct file *src_file,
u64 loff,
@@ -941,23 +941,8 @@ xfs_file_dedupe_range(
struct file *dst_file,
u64 dst_loff)
{
- struct inode *srci = file_inode(src_file);
- u64 max_dedupe;
- int error;
-
- /*
- * Since we have to read all these pages in to compare them, cut
- * it off at MAX_RW_COUNT/2 rounded down to the nearest block.
- * That means we won't do more than MAX_RW_COUNT IO per request.
- */
- max_dedupe = (MAX_RW_COUNT >> 1) & ~(i_blocksize(srci) - 1);
- if (len > max_dedupe)
- len = max_dedupe;
- error = xfs_reflink_remap_range(src_file, loff, dst_file, dst_loff,
+ return xfs_reflink_remap_range(src_file, loff, dst_file, dst_loff,
len, true);
- if (error)
- return error;
- return len;
}
STATIC int