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-rw-r--r--fs/ntfs/aops.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index a53212793809..ac65806ee515 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -1237,19 +1237,30 @@ done:
1237static int ntfs_writepage(struct page *page, struct writeback_control *wbc) 1237static int ntfs_writepage(struct page *page, struct writeback_control *wbc)
1238{ 1238{
1239 loff_t i_size; 1239 loff_t i_size;
1240 struct inode *vi; 1240 struct inode *vi = page->mapping->host;
1241 ntfs_inode *ni, *base_ni; 1241 ntfs_inode *base_ni = NULL, *ni = NTFS_I(vi);
1242 char *kaddr; 1242 char *kaddr;
1243 ntfs_attr_search_ctx *ctx; 1243 ntfs_attr_search_ctx *ctx = NULL;
1244 MFT_RECORD *m; 1244 MFT_RECORD *m = NULL;
1245 u32 attr_len; 1245 u32 attr_len;
1246 int err; 1246 int err;
1247 1247
1248 BUG_ON(!PageLocked(page)); 1248 BUG_ON(!PageLocked(page));
1249 1249 /*
1250 vi = page->mapping->host; 1250 * If a previous ntfs_truncate() failed, repeat it and abort if it
1251 * fails again.
1252 */
1253 if (unlikely(NInoTruncateFailed(ni))) {
1254 down_write(&vi->i_alloc_sem);
1255 err = ntfs_truncate(vi);
1256 up_write(&vi->i_alloc_sem);
1257 if (err || NInoTruncateFailed(ni)) {
1258 if (!err)
1259 err = -EIO;
1260 goto err_out;
1261 }
1262 }
1251 i_size = i_size_read(vi); 1263 i_size = i_size_read(vi);
1252
1253 /* Is the page fully outside i_size? (truncate in progress) */ 1264 /* Is the page fully outside i_size? (truncate in progress) */
1254 if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >> 1265 if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >>
1255 PAGE_CACHE_SHIFT)) { 1266 PAGE_CACHE_SHIFT)) {
@@ -1262,8 +1273,6 @@ static int ntfs_writepage(struct page *page, struct writeback_control *wbc)
1262 ntfs_debug("Write outside i_size - truncated?"); 1273 ntfs_debug("Write outside i_size - truncated?");
1263 return 0; 1274 return 0;
1264 } 1275 }
1265 ni = NTFS_I(vi);
1266
1267 /* NInoNonResident() == NInoIndexAllocPresent() */ 1276 /* NInoNonResident() == NInoIndexAllocPresent() */
1268 if (NInoNonResident(ni)) { 1277 if (NInoNonResident(ni)) {
1269 /* 1278 /*
@@ -1419,8 +1428,10 @@ err_out:
1419 err = 0; 1428 err = 0;
1420 } else { 1429 } else {
1421 ntfs_error(vi->i_sb, "Resident attribute write failed with " 1430 ntfs_error(vi->i_sb, "Resident attribute write failed with "
1422 "error %i. Setting page error flag.", err); 1431 "error %i.", err);
1423 SetPageError(page); 1432 SetPageError(page);
1433 NVolSetErrors(ni->vol);
1434 make_bad_inode(vi);
1424 } 1435 }
1425 unlock_page(page); 1436 unlock_page(page);
1426 if (ctx) 1437 if (ctx)