diff options
Diffstat (limited to 'module')
| -rw-r--r-- | module/zfs/zfs_znode.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/module/zfs/zfs_znode.c b/module/zfs/zfs_znode.c index 08faf0838..90dbfd315 100644 --- a/module/zfs/zfs_znode.c +++ b/module/zfs/zfs_znode.c @@ -1440,6 +1440,13 @@ zfs_free_range(znode_t *zp, uint64_t off, uint64_t len) /* offset of last_page */ last_page_offset = last_page << PAGE_CACHE_SHIFT; + /* truncate whole pages */ + if (last_page_offset > first_page_offset) { + truncate_inode_pages_range(ZTOI(zp)->i_mapping, + first_page_offset, last_page_offset - 1); + } + + /* truncate sub-page ranges */ if (first_page > last_page) { /* entire punched area within a single page */ zfs_zero_partial_page(zp, off, len); @@ -1607,31 +1614,10 @@ out: /* * Truncate the page cache - for file truncate operations, use * the purpose-built API for truncations. For punching operations, - * truncate only whole pages within the region; partial pages are - * zeroed under a range lock in zfs_free_range(). + * the truncation is handled under a range lock in zfs_free_range. */ if (len == 0) truncate_setsize(ZTOI(zp), off); - else if (zp->z_is_mapped) { - loff_t first_page, last_page; - loff_t first_page_offset, last_page_offset; - - /* first possible full page in hole */ - first_page = (off + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - /* last page of hole */ - last_page = (off + len) >> PAGE_CACHE_SHIFT; - - /* offset of first_page */ - first_page_offset = first_page << PAGE_CACHE_SHIFT; - /* offset of last_page */ - last_page_offset = last_page << PAGE_CACHE_SHIFT; - - /* truncate whole pages */ - if (last_page_offset > first_page_offset) { - truncate_inode_pages_range(ZTOI(zp)->i_mapping, - first_page_offset, last_page_offset - 1); - } - } return (error); } |