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vfs: rename vfs_clone_file_prep to be more descriptive 

The vfs_clone_file_prep is a generic function to be called by filesystem
implementations only.  Rename the prefix to generic_ and make it more
clear that it applies to remap operations, not just clones.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong 2018-10-30 10:41:08 +11:00 committed by Dave Chinner
parent 9aae20500d
commit a83ab01a62
4 changed files with 9 additions and 9 deletions
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2
fs/ocfs2/refcounttree.c
View File

@ -4850,7 +4850,7 @@ int ocfs2_reflink_remap_range(struct file *file_in,
(OCFS2_I(inode_out)->ip_flags & OCFS2_INODE_SYSTEM_FILE))
goto out_unlock;
ret = vfs_clone_file_prep(file_in, pos_in, file_out, pos_out,
ret = generic_remap_file_range_prep(file_in, pos_in, file_out, pos_out,
&len, is_dedupe);
if (ret <= 0)
goto out_unlock;

8
fs/read_write.c
View File

@ -1745,9 +1745,9 @@ static int generic_remap_check_len(struct inode *inode_in,
* Returns: 0 for "nothing to clone", 1 for "something to clone", or
* the usual negative error code.
*/
int vfs_clone_file_prep(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
u64 *len, bool is_dedupe)
int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
u64 *len, bool is_dedupe)
{
struct inode *inode_in = file_inode(file_in);
struct inode *inode_out = file_inode(file_out);
@ -1822,7 +1822,7 @@ int vfs_clone_file_prep(struct file *file_in, loff_t pos_in,
return 1;
}
EXPORT_SYMBOL(vfs_clone_file_prep);
EXPORT_SYMBOL(generic_remap_file_range_prep);
int do_clone_file_range(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out, u64 len)

2
fs/xfs/xfs_reflink.c
View File

@ -1326,7 +1326,7 @@ xfs_reflink_remap_prep(
if (IS_DAX(inode_in) || IS_DAX(inode_out))
goto out_unlock;
ret = vfs_clone_file_prep(file_in, pos_in, file_out, pos_out,
ret = generic_remap_file_range_prep(file_in, pos_in, file_out, pos_out,
len, is_dedupe);
if (ret <= 0)
goto out_unlock;

6
include/linux/fs.h
View File

@ -1825,9 +1825,9 @@ extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
unsigned long, loff_t *, rwf_t);
extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,
loff_t, size_t, unsigned int);
extern int vfs_clone_file_prep(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
u64 *count, bool is_dedupe);
extern int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
u64 *count, bool is_dedupe);
extern int do_clone_file_range(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out, u64 len);
extern int vfs_clone_file_range(struct file *file_in, loff_t pos_in,