mm/filemap.c: In function '__filemap_fdatawrite_range':
mm/filemap.c:200: error: implicit declaration of function 'mapping_cap_writeback_dirty'
This happens when we don't use/have any block devices and a NFS root filesystem
is used
mapping_cap_writeback_dirty() is defined in linux/backing-dev.h which used to be
provided in mm/filemap.c by linux/blkdev.h until commit
f5ff8422bbdd59f8c1f699df248e1b7a11073027
Signed-off-by: Emil Medve <[email protected]>
---
Also removed some trailing whitespaces
This is against Linus' tree: d85714d81cc0408daddb68c10f7fd69eafe7c213
linux-2.6> scripts/checkpatch.pl 0001-Fix-a-build-error-when-BLOCK-n.patch
Your patch has no obvious style problems and is ready for submission.
mm/filemap.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 79f24a9..6f1643d 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -27,6 +27,7 @@
#include <linux/writeback.h>
#include <linux/pagevec.h>
#include <linux/blkdev.h>
+#include <linux/backing-dev.h>
#include <linux/security.h>
#include <linux/syscalls.h>
#include <linux/cpuset.h>
@@ -537,7 +538,7 @@ void fastcall unlock_page(struct page *page)
smp_mb__before_clear_bit();
if (!TestClearPageLocked(page))
BUG();
- smp_mb__after_clear_bit();
+ smp_mb__after_clear_bit();
wake_up_page(page, PG_locked);
}
EXPORT_SYMBOL(unlock_page);
@@ -1249,7 +1250,7 @@ asmlinkage ssize_t sys_readahead(int fd, loff_t offset, size_t count)
static int fastcall page_cache_read(struct file * file, pgoff_t offset)
{
struct address_space *mapping = file->f_mapping;
- struct page *page;
+ struct page *page;
int ret;
do {
@@ -1266,7 +1267,7 @@ static int fastcall page_cache_read(struct file * file, pgoff_t offset)
page_cache_release(page);
} while (ret == AOP_TRUNCATED_PAGE);
-
+
return ret;
}
@@ -2302,7 +2303,7 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
OSYNC_METADATA|OSYNC_DATA);
}
}
-
+
/*
* If we get here for O_DIRECT writes then we must have fallen through
* to buffered writes (block instantiation inside i_size). So we sync
--
1.5.3.GIT
-
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