From: Miklos Szeredi Other than truncate, there are two cases, when fuse tries to get rid of cached pages: a) in open, if KEEP_CACHE flag is not set b) in getattr, if file size changed spontaneously Until now invalidate_mapping_pages() were used, which didn't get rid of mapped pages. This is wrong, and becomes more wrong as dirty pages are introduced. So instead properly invalidate all pages with invalidate_inode_pages2(). Signed-off-by: Miklos Szeredi Signed-off-by: Andrew Morton --- fs/fuse/file.c | 2 +- fs/fuse/inode.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff -puN fs/fuse/file.c~fuse-fix-page-invalidation fs/fuse/file.c --- a/fs/fuse/file.c~fuse-fix-page-invalidation +++ a/fs/fuse/file.c @@ -87,7 +87,7 @@ void fuse_finish_open(struct inode *inod if (outarg->open_flags & FOPEN_DIRECT_IO) file->f_op = &fuse_direct_io_file_operations; if (!(outarg->open_flags & FOPEN_KEEP_CACHE)) - invalidate_mapping_pages(inode->i_mapping, 0, -1); + invalidate_inode_pages2(inode->i_mapping); ff->fh = outarg->fh; file->private_data = fuse_file_get(ff); } diff -puN fs/fuse/inode.c~fuse-fix-page-invalidation fs/fuse/inode.c --- a/fs/fuse/inode.c~fuse-fix-page-invalidation +++ a/fs/fuse/inode.c @@ -143,7 +143,7 @@ void fuse_change_attributes(struct inode if (S_ISREG(inode->i_mode) && oldsize != attr->size) { if (attr->size < oldsize) fuse_truncate(inode->i_mapping, attr->size); - invalidate_mapping_pages(inode->i_mapping, 0, -1); + invalidate_inode_pages2(inode->i_mapping); } } _