diff options
Diffstat (limited to 'fs/ocfs2/file.c')
-rw-r--r-- | fs/ocfs2/file.c | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 000c234d7bbd..c4889655d32b 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1030,7 +1030,7 @@ int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh, * Only quota files call this without a bh, and they can't be * refcounted. */ - BUG_ON(!di_bh && (oi->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL)); + BUG_ON(!di_bh && ocfs2_is_refcount_inode(inode)); BUG_ON(!di_bh && !(oi->ip_flags & OCFS2_INODE_SYSTEM_FILE)); clusters_to_add = ocfs2_clusters_for_bytes(inode->i_sb, new_i_size); @@ -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; @@ -1719,8 +1719,7 @@ static int ocfs2_remove_inode_range(struct inode *inode, * within one cluster(means is not exactly aligned to clustersize). */ - if (OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL) { - + if (ocfs2_is_refcount_inode(inode)) { ret = ocfs2_cow_file_pos(inode, di_bh, byte_start); if (ret) { mlog_errno(ret); @@ -2036,7 +2035,7 @@ int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, struct super_block *sb = inode->i_sb; if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb)) || - !(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL) || + !ocfs2_is_refcount_inode(inode) || OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) return 0; @@ -2440,6 +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, @@ -2479,6 +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 = { @@ -2524,6 +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 = { |