diff options
Diffstat (limited to 'fs/ocfs2/file.c')
| -rw-r--r-- | fs/ocfs2/file.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index d261f3a91870..c4889655d32b 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1667,9 +1667,9 @@ static void ocfs2_calc_trunc_pos(struct inode *inode, *done = ret; } -static int ocfs2_remove_inode_range(struct inode *inode, - struct buffer_head *di_bh, u64 byte_start, - u64 byte_len) +int ocfs2_remove_inode_range(struct inode *inode, + struct buffer_head *di_bh, u64 byte_start, + u64 byte_len) { int ret = 0, flags = 0, done = 0, i; u32 trunc_start, trunc_len, trunc_end, trunc_cpos, phys_cpos; @@ -2439,6 +2439,31 @@ out: return offset; } +static int ocfs2_file_clone_range(struct file *file_in, + loff_t pos_in, + struct file *file_out, + loff_t pos_out, + u64 len) +{ + return ocfs2_reflink_remap_range(file_in, pos_in, file_out, pos_out, + len, false); +} + +static ssize_t 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, + len, true); + if (error) + return error; + return len; +} + const struct inode_operations ocfs2_file_iops = { .setattr = ocfs2_setattr, .getattr = ocfs2_getattr, @@ -2478,6 +2503,8 @@ const struct file_operations ocfs2_fops = { .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, .fallocate = ocfs2_fallocate, + .clone_file_range = ocfs2_file_clone_range, + .dedupe_file_range = ocfs2_file_dedupe_range, }; const struct file_operations ocfs2_dops = { @@ -2523,6 +2550,8 @@ const struct file_operations ocfs2_fops_no_plocks = { .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, .fallocate = ocfs2_fallocate, + .clone_file_range = ocfs2_file_clone_range, + .dedupe_file_range = ocfs2_file_dedupe_range, }; const struct file_operations ocfs2_dops_no_plocks = { |