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Diffstat (limited to 'fs/ntfs/lcnalloc.c')
-rw-r--r--fs/ntfs/lcnalloc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/ntfs/lcnalloc.c b/fs/ntfs/lcnalloc.c
index 23fd911078b1..5346596fa871 100644
--- a/fs/ntfs/lcnalloc.c
+++ b/fs/ntfs/lcnalloc.c
@@ -140,6 +140,7 @@ runlist_element *ntfs_cluster_alloc(ntfs_volume *vol, const VCN start_vcn,
140 LCN zone_start, zone_end, bmp_pos, bmp_initial_pos, last_read_pos, lcn; 140 LCN zone_start, zone_end, bmp_pos, bmp_initial_pos, last_read_pos, lcn;
141 LCN prev_lcn = 0, prev_run_len = 0, mft_zone_size; 141 LCN prev_lcn = 0, prev_run_len = 0, mft_zone_size;
142 s64 clusters; 142 s64 clusters;
143 loff_t i_size;
143 struct inode *lcnbmp_vi; 144 struct inode *lcnbmp_vi;
144 runlist_element *rl = NULL; 145 runlist_element *rl = NULL;
145 struct address_space *mapping; 146 struct address_space *mapping;
@@ -249,6 +250,7 @@ runlist_element *ntfs_cluster_alloc(ntfs_volume *vol, const VCN start_vcn,
249 clusters = count; 250 clusters = count;
250 rlpos = rlsize = 0; 251 rlpos = rlsize = 0;
251 mapping = lcnbmp_vi->i_mapping; 252 mapping = lcnbmp_vi->i_mapping;
253 i_size = i_size_read(lcnbmp_vi);
252 while (1) { 254 while (1) {
253 ntfs_debug("Start of outer while loop: done_zones 0x%x, " 255 ntfs_debug("Start of outer while loop: done_zones 0x%x, "
254 "search_zone %i, pass %i, zone_start 0x%llx, " 256 "search_zone %i, pass %i, zone_start 0x%llx, "
@@ -263,7 +265,7 @@ runlist_element *ntfs_cluster_alloc(ntfs_volume *vol, const VCN start_vcn,
263 last_read_pos = bmp_pos >> 3; 265 last_read_pos = bmp_pos >> 3;
264 ntfs_debug("last_read_pos 0x%llx.", 266 ntfs_debug("last_read_pos 0x%llx.",
265 (unsigned long long)last_read_pos); 267 (unsigned long long)last_read_pos);
266 if (last_read_pos > lcnbmp_vi->i_size) { 268 if (last_read_pos > i_size) {
267 ntfs_debug("End of attribute reached. " 269 ntfs_debug("End of attribute reached. "
268 "Skipping to zone_pass_done."); 270 "Skipping to zone_pass_done.");
269 goto zone_pass_done; 271 goto zone_pass_done;
@@ -287,8 +289,8 @@ runlist_element *ntfs_cluster_alloc(ntfs_volume *vol, const VCN start_vcn,
287 buf_size = last_read_pos & ~PAGE_CACHE_MASK; 289 buf_size = last_read_pos & ~PAGE_CACHE_MASK;
288 buf = page_address(page) + buf_size; 290 buf = page_address(page) + buf_size;
289 buf_size = PAGE_CACHE_SIZE - buf_size; 291 buf_size = PAGE_CACHE_SIZE - buf_size;
290 if (unlikely(last_read_pos + buf_size > lcnbmp_vi->i_size)) 292 if (unlikely(last_read_pos + buf_size > i_size))
291 buf_size = lcnbmp_vi->i_size - last_read_pos; 293 buf_size = i_size - last_read_pos;
292 buf_size <<= 3; 294 buf_size <<= 3;
293 lcn = bmp_pos & 7; 295 lcn = bmp_pos & 7;
294 bmp_pos &= ~7; 296 bmp_pos &= ~7;