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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-10-18 11:13:01 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-10-18 11:13:01 -0300
commitce6c9da1113ad681bff27a3e376d2017f7f8a59c (patch)
tree922ee99522f8e47e4fa5c735d4ea378dfdb79085 /fs/read_write.c
parentperf/x86/intel: Export mem events only if there's PEBS support (diff)
parentMerge tag 'perf-urgent-for-mingo-4.19-20181017' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (diff)
downloadwireguard-linux-ce6c9da1113ad681bff27a3e376d2017f7f8a59c.tar.xz
wireguard-linux-ce6c9da1113ad681bff27a3e376d2017f7f8a59c.zip
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'fs/read_write.c')
-rw-r--r--fs/read_write.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 39b4a21dd933..8a2737f0d61d 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1818,8 +1818,8 @@ int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,
}
EXPORT_SYMBOL(vfs_clone_file_prep_inodes);
-int vfs_clone_file_range(struct file *file_in, loff_t pos_in,
- struct file *file_out, loff_t pos_out, u64 len)
+int do_clone_file_range(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out, u64 len)
{
struct inode *inode_in = file_inode(file_in);
struct inode *inode_out = file_inode(file_out);
@@ -1866,6 +1866,19 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in,
return ret;
}
+EXPORT_SYMBOL(do_clone_file_range);
+
+int vfs_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 = do_clone_file_range(file_in, pos_in, file_out, pos_out, len);
+ file_end_write(file_out);
+
+ return ret;
+}
EXPORT_SYMBOL(vfs_clone_file_range);
/*