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-rw-r--r--fs/nfs/direct.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 345aa5c0f38..6c588ec84d1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -122,9 +122,9 @@ ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_
122 return -EINVAL; 122 return -EINVAL;
123} 123}
124 124
125static void nfs_direct_dirty_pages(struct page **pages, int npages) 125static void nfs_direct_dirty_pages(struct page **pages, unsigned int npages)
126{ 126{
127 int i; 127 unsigned int i;
128 for (i = 0; i < npages; i++) { 128 for (i = 0; i < npages; i++) {
129 struct page *page = pages[i]; 129 struct page *page = pages[i];
130 if (!PageCompound(page)) 130 if (!PageCompound(page))
@@ -132,9 +132,9 @@ static void nfs_direct_dirty_pages(struct page **pages, int npages)
132 } 132 }
133} 133}
134 134
135static void nfs_direct_release_pages(struct page **pages, int npages) 135static void nfs_direct_release_pages(struct page **pages, unsigned int npages)
136{ 136{
137 int i; 137 unsigned int i;
138 for (i = 0; i < npages; i++) 138 for (i = 0; i < npages; i++)
139 page_cache_release(pages[i]); 139 page_cache_release(pages[i]);
140} 140}
@@ -279,9 +279,12 @@ static ssize_t nfs_direct_read_schedule(struct nfs_direct_req *dreq, unsigned lo
279 result = get_user_pages(current, current->mm, user_addr, 279 result = get_user_pages(current, current->mm, user_addr,
280 data->npages, 1, 0, data->pagevec, NULL); 280 data->npages, 1, 0, data->pagevec, NULL);
281 up_read(&current->mm->mmap_sem); 281 up_read(&current->mm->mmap_sem);
282 if (unlikely(result < data->npages)) { 282 if (result < 0) {
283 if (result > 0) 283 nfs_readdata_release(data);
284 nfs_direct_release_pages(data->pagevec, result); 284 break;
285 }
286 if ((unsigned)result < data->npages) {
287 nfs_direct_release_pages(data->pagevec, result);
285 nfs_readdata_release(data); 288 nfs_readdata_release(data);
286 break; 289 break;
287 } 290 }
@@ -610,9 +613,12 @@ static ssize_t nfs_direct_write_schedule(struct nfs_direct_req *dreq, unsigned l
610 result = get_user_pages(current, current->mm, user_addr, 613 result = get_user_pages(current, current->mm, user_addr,
611 data->npages, 0, 0, data->pagevec, NULL); 614 data->npages, 0, 0, data->pagevec, NULL);
612 up_read(&current->mm->mmap_sem); 615 up_read(&current->mm->mmap_sem);
613 if (unlikely(result < data->npages)) { 616 if (result < 0) {
614 if (result > 0) 617 nfs_writedata_release(data);
615 nfs_direct_release_pages(data->pagevec, result); 618 break;
619 }
620 if ((unsigned)result < data->npages) {
621 nfs_direct_release_pages(data->pagevec, result);
616 nfs_writedata_release(data); 622 nfs_writedata_release(data);
617 break; 623 break;
618 } 624 }