aboutsummaryrefslogtreecommitdiffstats
path: root/fs/isofs/compress.c
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2008-03-25 17:44:18 -0400
committerPaul Mackerras <paulus@samba.org>2008-03-25 17:44:18 -0400
commit54f53f2b94feb72622bec7a8563fc487d9f97720 (patch)
treeab0c4e1dcadd25a00fa7a4febf41bc43b864cf73 /fs/isofs/compress.c
parentf61fb8a52cdf8b9b6a6badde84aefe58cb35d315 (diff)
parenta4083c9271e0a697278e089f2c0b9a95363ada0a (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'fs/isofs/compress.c')
-rw-r--r--fs/isofs/compress.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c
index 37dbd6404787..defb932eee9a 100644
--- a/fs/isofs/compress.c
+++ b/fs/isofs/compress.c
@@ -72,6 +72,17 @@ static int zisofs_readpage(struct file *file, struct page *page)
72 offset = index & ~zisofs_block_page_mask; 72 offset = index & ~zisofs_block_page_mask;
73 blockindex = offset >> zisofs_block_page_shift; 73 blockindex = offset >> zisofs_block_page_shift;
74 maxpage = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; 74 maxpage = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
75
76 /*
77 * If this page is wholly outside i_size we just return zero;
78 * do_generic_file_read() will handle this for us
79 */
80 if (page->index >= maxpage) {
81 SetPageUptodate(page);
82 unlock_page(page);
83 return 0;
84 }
85
75 maxpage = min(zisofs_block_pages, maxpage-offset); 86 maxpage = min(zisofs_block_pages, maxpage-offset);
76 87
77 for ( i = 0 ; i < maxpage ; i++, offset++ ) { 88 for ( i = 0 ; i < maxpage ; i++, offset++ ) {