diff mbox series

[11/28] vfs: pass remap flags to generic_remap_checks

Message ID 154013858003.29026.16188863826706349189.stgit@magnolia (mailing list archive)
State New, archived
Headers show
Series fs: fixes for serious clone/dedupe problems | expand

Commit Message

Darrick J. Wong Oct. 21, 2018, 4:16 p.m. UTC 
From: Darrick J. Wong <darrick.wong@oracle.com>

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>
---
 fs/read_write.c    |    2 +-
 include/linux/fs.h |    2 +-
 mm/filemap.c       |    4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

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;