[PATCH] Fix bug in FUSE where the attribute cache for a file was not cleared when a file is opened with O_TRUNC.

[Ken Sumrall]

Signed-off-by: Ken Sumrall <ksumrall@xxxxxxxxxxx>
---
 fs/fuse/file.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c822458..4fbe62c 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -134,6 +134,7 @@ EXPORT_SYMBOL_GPL(fuse_do_open);
 void fuse_finish_open(struct inode *inode, struct file *file)
 {
 	struct fuse_file *ff = file->private_data;
+	struct fuse_conn *fc = get_fuse_conn(inode);
 
 	if (ff->open_flags & FOPEN_DIRECT_IO)
 		file->f_op = &fuse_direct_io_file_operations;
@@ -141,6 +142,8 @@ void fuse_finish_open(struct inode *inode, struct file *file)
 		invalidate_inode_pages2(inode->i_mapping);
 	if (ff->open_flags & FOPEN_NONSEEKABLE)
 		nonseekable_open(inode, file);
+	if (fc->atomic_o_trunc && (file->f_flags & O_TRUNC))
+		fuse_invalidate_attr(inode);
 }
 
 int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
-- 
1.7.3.1

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