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authorDarrick J. Wong <darrick.wong@oracle.com>2018-10-30 10:41:34 +1100
committerDave Chinner <david@fromorbit.com>2018-10-30 10:41:34 +1100
commit3d28193e1df043764deb7abdaba5e3a6660bc393 (patch)
tree6f157e2e8e0ac5b77f7f25fedfab91b93c73293c
parenta91ae49bbaf43910edb09e03fedf26b23875bd52 (diff)
vfs: pass remap flags to generic_remap_checks
Pass the same remap flags to generic_remap_checks for consistency. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
-rw-r--r--fs/read_write.c2
-rw-r--r--include/linux/fs.h2
-rw-r--r--mm/filemap.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 201381689284..ebcbfc4f2907 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1782,7 +1782,7 @@ int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,
/* Check that we don't violate system file offset limits. */
ret = generic_remap_checks(file_in, pos_in, file_out, pos_out, len,
- (remap_flags & REMAP_FILE_DEDUP));
+ remap_flags);
if (ret)
return ret;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 631c28ce1436..c5435ca81132 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2986,7 +2986,7 @@ extern int generic_file_readonly_mmap(struct file *, struct vm_area_struct *);
extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *);
extern int generic_remap_checks(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
- uint64_t *count, bool is_dedupe);
+ uint64_t *count, unsigned int remap_flags);
extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *);
extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *);
diff --git a/mm/filemap.c b/mm/filemap.c
index 84b7301e41a0..410dc58f7b16 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2994,7 +2994,7 @@ EXPORT_SYMBOL(generic_write_checks);
*/
int generic_remap_checks(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
- uint64_t *req_count, bool is_dedupe)
+ uint64_t *req_count, unsigned int remap_flags)
{
struct inode *inode_in = file_in->f_mapping->host;
struct inode *inode_out = file_out->f_mapping->host;
@@ -3016,7 +3016,7 @@ int generic_remap_checks(struct file *file_in, loff_t pos_in,
size_out = i_size_read(inode_out);
/* Dedupe requires both ranges to be within EOF. */
- if (is_dedupe &&
+ if ((remap_flags & REMAP_FILE_DEDUP) &&
(pos_in >= size_in || pos_in + count > size_in ||
pos_out >= size_out || pos_out + count > size_out))
return -EINVAL;