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authorMiklos Szeredi <mszeredi@redhat.com>2016-07-29 14:10:57 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2016-07-29 14:10:57 +0200
commitd72d9e2a5d7ec04a1f92925c5ac633d8031fa7fc (patch)
treee6a7cfe53cd3b0f75e911d5b435a5ee483150de5
parent9446385f05c9af25fed53dbed3cc75763730be52 (diff)
downloadop-kernel-dev-d72d9e2a5d7ec04a1f92925c5ac633d8031fa7fc.zip
op-kernel-dev-d72d9e2a5d7ec04a1f92925c5ac633d8031fa7fc.tar.gz
mm: export filemap_check_errors() to modules
Can be used by fuse, btrfs and f2fs to replace opencoded variants. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
-rw-r--r--include/linux/fs.h1
-rw-r--r--mm/filemap.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index dd28814..6f2536a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2507,6 +2507,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
loff_t start, loff_t end, int sync_mode);
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 int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
int datasync);
diff --git a/mm/filemap.c b/mm/filemap.c
index 20f3b1f..6d92935 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -254,7 +254,7 @@ void delete_from_page_cache(struct page *page)
}
EXPORT_SYMBOL(delete_from_page_cache);
-static int filemap_check_errors(struct address_space *mapping)
+int filemap_check_errors(struct address_space *mapping)
{
int ret = 0;
/* Check for outstanding write errors */
@@ -266,6 +266,7 @@ static int filemap_check_errors(struct address_space *mapping)
ret = -EIO;
return ret;
}
+EXPORT_SYMBOL(filemap_check_errors);
/**
* __filemap_fdatawrite_range - start writeback on mapping dirty pages in range
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