diff options
Diffstat (limited to 'fs/fuse/file.c')
-rw-r--r-- | fs/fuse/file.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 2b25133524a3..06f30e965676 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) | |||
938 | } | 938 | } |
939 | 939 | ||
940 | static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf, | 940 | static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf, |
941 | unsigned *nbytesp, int write) | 941 | size_t *nbytesp, int write) |
942 | { | 942 | { |
943 | unsigned nbytes = *nbytesp; | 943 | size_t nbytes = *nbytesp; |
944 | unsigned long user_addr = (unsigned long) buf; | 944 | unsigned long user_addr = (unsigned long) buf; |
945 | unsigned offset = user_addr & ~PAGE_MASK; | 945 | unsigned offset = user_addr & ~PAGE_MASK; |
946 | int npages; | 946 | int npages; |
@@ -955,7 +955,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf, | |||
955 | return 0; | 955 | return 0; |
956 | } | 956 | } |
957 | 957 | ||
958 | nbytes = min(nbytes, (unsigned) FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT); | 958 | nbytes = min_t(size_t, nbytes, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT); |
959 | npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT; | 959 | npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT; |
960 | npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ); | 960 | npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ); |
961 | down_read(¤t->mm->mmap_sem); | 961 | down_read(¤t->mm->mmap_sem); |
@@ -1298,6 +1298,8 @@ static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma) | |||
1298 | if (vma->vm_flags & VM_MAYSHARE) | 1298 | if (vma->vm_flags & VM_MAYSHARE) |
1299 | return -ENODEV; | 1299 | return -ENODEV; |
1300 | 1300 | ||
1301 | invalidate_inode_pages2(file->f_mapping); | ||
1302 | |||
1301 | return generic_file_mmap(file, vma); | 1303 | return generic_file_mmap(file, vma); |
1302 | } | 1304 | } |
1303 | 1305 | ||