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vfs: export do_splice_direct() to modules

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Export do_splice_direct() to modules.  Needed by overlay filesystem.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
This commit is contained in:
Miklos Szeredi 2014-10-24 00:14:35 +02:00
parent 4aa7c6346b
commit 1c118596a7
3 changed files with 4 additions and 6 deletions
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6
fs/internal.h
View File

@ -138,12 +138,6 @@ extern long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan,
*/ */
extern int rw_verify_area(int, struct file *, const loff_t *, size_t); extern int rw_verify_area(int, struct file *, const loff_t *, size_t);
/*
* splice.c
*/
extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
loff_t *opos, size_t len, unsigned int flags);
/* /*
* pipe.c * pipe.c
*/ */

1
fs/splice.c
View File

@ -1330,6 +1330,7 @@ long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
return ret; return ret;
} }
EXPORT_SYMBOL(do_splice_direct);
static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe, static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,
struct pipe_inode_info *opipe, struct pipe_inode_info *opipe,

3
include/linux/fs.h
View File

@ -2456,6 +2456,9 @@ extern ssize_t iter_file_splice_write(struct pipe_inode_info *,
struct file *, loff_t *, size_t, unsigned int); struct file *, loff_t *, size_t, unsigned int);
extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe, extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe,
struct file *out, loff_t *, size_t len, unsigned int flags); struct file *out, loff_t *, size_t len, unsigned int flags);
extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
loff_t *opos, size_t len, unsigned int flags);
extern void extern void
file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);