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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-14 10:12:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-14 10:12:07 -0700
commite9de427e403f2670a44b5795707d8a240fb018c2 (patch)
tree2455a30ed360995a22e741d9ca87bc213c2f7d2d
parent9fc0178caa30070f65bded433f91756491a3cf26 (diff)
parent3121bfe7631126d1b13064855ac2cfa164381bb0 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: fix "direct_io" private mmap fuse: fix argument type in fuse_get_user_pages()
-rw-r--r--fs/fuse/file.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 2b25133524a..06f30e96567 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -938,9 +938,9 @@ static void fuse_release_user_pages(struct fuse_req *req, int write)
}
static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
- unsigned *nbytesp, int write)
+ size_t *nbytesp, int write)
{
- unsigned nbytes = *nbytesp;
+ size_t nbytes = *nbytesp;
unsigned long user_addr = (unsigned long) buf;
unsigned offset = user_addr & ~PAGE_MASK;
int npages;
@@ -955,7 +955,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
return 0;
}
- nbytes = min(nbytes, (unsigned) FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
+ nbytes = min_t(size_t, nbytes, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ);
down_read(&current->mm->mmap_sem);
@@ -1298,6 +1298,8 @@ static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma)
if (vma->vm_flags & VM_MAYSHARE)
return -ENODEV;
+ invalidate_inode_pages2(file->f_mapping);
+
return generic_file_mmap(file, vma);
}