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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-04 13:24:38 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-04 13:24:38 -0700
commit010bd965f9711f801f2902ec3a6a2826c6656491 (patch)
tree1df6d608a9eeae2e084812bda475023d3a052c3d /include/linux
parentac0657edb13ac7971569aa88cc6f27ea26deb883 (diff)
parent1a8f8d2a443ef9ad9a3065ba8c8119df714240fa (diff)
Merge tag 'ovl-fixes-4.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Miklos writes: "overlayfs fixes for 4.19-rc7 This update fixes a couple of regressions in the stacked file update added in this cycle, as well as some older bugs uncovered by syzkaller. There's also one trivial naming change that touches other parts of the fs subsystem." * tag 'ovl-fixes-4.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: fix format of setxattr debug ovl: fix access beyond unterminated strings ovl: make symbol 'ovl_aops' static vfs: swap names of {do,vfs}_clone_file_range() ovl: fix freeze protection bypass in ovl_clone_file_range() ovl: fix freeze protection bypass in ovl_write_iter() ovl: fix memory leak on unlink of indexed file
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/fs.h17
1 files changed, 3 insertions, 14 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6c0b4a1c22ff..897eae8faee1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1828,8 +1828,10 @@ extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,
extern int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,
struct inode *inode_out, loff_t pos_out,
u64 *len, 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,
- struct file *file_out, loff_t pos_out, u64 len);
+ struct file *file_out, loff_t pos_out, u64 len);
extern int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff,
struct inode *dest, loff_t destoff,
loff_t len, bool *is_same);
@@ -2773,19 +2775,6 @@ static inline void file_end_write(struct file *file)
__sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE);
}
-static inline int do_clone_file_range(struct file *file_in, loff_t pos_in,
- struct file *file_out, loff_t pos_out,
- u64 len)
-{
- int ret;
-
- file_start_write(file_out);
- ret = vfs_clone_file_range(file_in, pos_in, file_out, pos_out, len);
- file_end_write(file_out);
-
- return ret;
-}
-
/*
* get_write_access() gets write permission for a file.
* put_write_access() releases this write permission.