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authorJeff Layton <jlayton@redhat.com>2017-07-28 14:24:43 +0300
committerJeff Layton <jlayton@redhat.com>2017-08-01 02:12:26 +0300
commita823e4589e68996436d16db4ede9a43b646332f9 (patch)
tree2961b2c0bd94da25551564b52ff5501918b96fb5 /include/linux/fs.h
parent7e51fe1dd180e525c9cb9dc613c524c83c130867 (diff)
downloadlinux-a823e4589e68996436d16db4ede9a43b646332f9.tar.xz
mm: add file_fdatawait_range and file_write_and_wait
Necessary now for gfs2_fsync and sync_file_range, but there will eventually be other callers. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 21e7df1ad613..af592ca3d509 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2544,6 +2544,8 @@ extern int filemap_fdatawait_range(struct address_space *, loff_t lstart,
loff_t lend);
extern bool filemap_range_has_page(struct address_space *, loff_t lstart,
loff_t lend);
+extern int __must_check file_fdatawait_range(struct file *file, loff_t lstart,
+ loff_t lend);
extern int filemap_write_and_wait(struct address_space *mapping);
extern int filemap_write_and_wait_range(struct address_space *mapping,
loff_t lstart, loff_t lend);
@@ -2552,12 +2554,19 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
extern int filemap_fdatawrite_range(struct address_space *mapping,
loff_t start, loff_t end);
extern int filemap_check_errors(struct address_space *mapping);
-
extern void __filemap_set_wb_err(struct address_space *mapping, int err);
+
+extern int __must_check file_fdatawait_range(struct file *file, loff_t lstart,
+ loff_t lend);
extern int __must_check file_check_and_advance_wb_err(struct file *file);
extern int __must_check file_write_and_wait_range(struct file *file,
loff_t start, loff_t end);
+static inline int file_write_and_wait(struct file *file)
+{
+ return file_write_and_wait_range(file, 0, LLONG_MAX);
+}
+
/**
* filemap_set_wb_err - set a writeback error on an address_space
* @mapping: mapping in which to set writeback error