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-rw-r--r--fs/nfs/write.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f1bdb7254776..d37e8ca9ab86 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -31,6 +31,8 @@
#include "fscache.h"
#include "pnfs.h"
+#include "nfstrace.h"
+
#define NFSDBG_FACILITY NFSDBG_PAGECACHE
#define MIN_POOL_WRITE (32)
@@ -1732,8 +1734,14 @@ int nfs_wb_all(struct inode *inode)
.range_start = 0,
.range_end = LLONG_MAX,
};
+ int ret;
+
+ trace_nfs_writeback_inode_enter(inode);
+
+ ret = sync_inode(inode, &wbc);
- return sync_inode(inode, &wbc);
+ trace_nfs_writeback_inode_exit(inode, ret);
+ return ret;
}
EXPORT_SYMBOL_GPL(nfs_wb_all);
@@ -1781,6 +1789,8 @@ int nfs_wb_page(struct inode *inode, struct page *page)
};
int ret;
+ trace_nfs_writeback_page_enter(inode);
+
for (;;) {
wait_on_page_writeback(page);
if (clear_page_dirty_for_io(page)) {
@@ -1789,14 +1799,15 @@ int nfs_wb_page(struct inode *inode, struct page *page)
goto out_error;
continue;
}
+ ret = 0;
if (!PagePrivate(page))
break;
ret = nfs_commit_inode(inode, FLUSH_SYNC);
if (ret < 0)
goto out_error;
}
- return 0;
out_error:
+ trace_nfs_writeback_page_exit(inode, ret);
return ret;
}