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authorDavid Woodhouse <dwmw2@infradead.org>2007-04-26 04:31:28 -0400
committerDavid Woodhouse <dwmw2@infradead.org>2007-04-26 04:31:28 -0400
commitef2e58ea6b9931c3a4816c66593da49bb20e3b24 (patch)
treece7432add3becbe78de4ea06425cd2d9e91f4ada /fs/ufs/truncate.c
parent06d63cc51d47f572009138a7f3ac34d95773405d (diff)
parentde46c33745f5e2ad594c72f2cf5f490861b16ce1 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/ufs/truncate.c')
-rw-r--r--fs/ufs/truncate.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 749581fa7729..79c54c85fb58 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -74,7 +74,7 @@ static int ufs_trunc_direct(struct inode *inode)
74 unsigned i, tmp; 74 unsigned i, tmp;
75 int retry; 75 int retry;
76 76
77 UFSD("ENTER\n"); 77 UFSD("ENTER: ino %lu\n", inode->i_ino);
78 78
79 sb = inode->i_sb; 79 sb = inode->i_sb;
80 uspi = UFS_SB(sb)->s_uspi; 80 uspi = UFS_SB(sb)->s_uspi;
@@ -96,8 +96,8 @@ static int ufs_trunc_direct(struct inode *inode)
96 block2 = ufs_fragstoblks (frag3); 96 block2 = ufs_fragstoblks (frag3);
97 } 97 }
98 98
99 UFSD("frag1 %llu, frag2 %llu, block1 %llu, block2 %llu, frag3 %llu," 99 UFSD("ino %lu, frag1 %llu, frag2 %llu, block1 %llu, block2 %llu,"
100 " frag4 %llu\n", 100 " frag3 %llu, frag4 %llu\n", inode->i_ino,
101 (unsigned long long)frag1, (unsigned long long)frag2, 101 (unsigned long long)frag1, (unsigned long long)frag2,
102 (unsigned long long)block1, (unsigned long long)block2, 102 (unsigned long long)block1, (unsigned long long)block2,
103 (unsigned long long)frag3, (unsigned long long)frag4); 103 (unsigned long long)frag3, (unsigned long long)frag4);
@@ -163,7 +163,7 @@ next1:
163 mark_inode_dirty(inode); 163 mark_inode_dirty(inode);
164 next3: 164 next3:
165 165
166 UFSD("EXIT\n"); 166 UFSD("EXIT: ino %lu\n", inode->i_ino);
167 return retry; 167 return retry;
168} 168}
169 169
@@ -248,7 +248,7 @@ static int ufs_trunc_indirect(struct inode *inode, u64 offset, void *p)
248 } 248 }
249 ubh_brelse (ind_ubh); 249 ubh_brelse (ind_ubh);
250 250
251 UFSD("EXIT\n"); 251 UFSD("EXIT: ino %lu\n", inode->i_ino);
252 252
253 return retry; 253 return retry;
254} 254}
@@ -262,7 +262,7 @@ static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
262 void *dind; 262 void *dind;
263 int retry = 0; 263 int retry = 0;
264 264
265 UFSD("ENTER\n"); 265 UFSD("ENTER: ino %lu\n", inode->i_ino);
266 266
267 sb = inode->i_sb; 267 sb = inode->i_sb;
268 uspi = UFS_SB(sb)->s_uspi; 268 uspi = UFS_SB(sb)->s_uspi;
@@ -312,7 +312,7 @@ static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
312 } 312 }
313 ubh_brelse (dind_bh); 313 ubh_brelse (dind_bh);
314 314
315 UFSD("EXIT\n"); 315 UFSD("EXIT: ino %lu\n", inode->i_ino);
316 316
317 return retry; 317 return retry;
318} 318}
@@ -327,7 +327,7 @@ static int ufs_trunc_tindirect(struct inode *inode)
327 void *tind, *p; 327 void *tind, *p;
328 int retry; 328 int retry;
329 329
330 UFSD("ENTER\n"); 330 UFSD("ENTER: ino %lu\n", inode->i_ino);
331 331
332 retry = 0; 332 retry = 0;
333 333
@@ -348,7 +348,7 @@ static int ufs_trunc_tindirect(struct inode *inode)
348 } 348 }
349 349
350 for (i = tindirect_block ; i < uspi->s_apb ; i++) { 350 for (i = tindirect_block ; i < uspi->s_apb ; i++) {
351 tind = ubh_get_addr32 (tind_bh, i); 351 tind = ubh_get_data_ptr(uspi, tind_bh, i);
352 retry |= ufs_trunc_dindirect(inode, UFS_NDADDR + 352 retry |= ufs_trunc_dindirect(inode, UFS_NDADDR +
353 uspi->s_apb + ((i + 1) << uspi->s_2apbshift), tind); 353 uspi->s_apb + ((i + 1) << uspi->s_2apbshift), tind);
354 ubh_mark_buffer_dirty(tind_bh); 354 ubh_mark_buffer_dirty(tind_bh);
@@ -372,19 +372,21 @@ static int ufs_trunc_tindirect(struct inode *inode)
372 } 372 }
373 ubh_brelse (tind_bh); 373 ubh_brelse (tind_bh);
374 374
375 UFSD("EXIT\n"); 375 UFSD("EXIT: ino %lu\n", inode->i_ino);
376 return retry; 376 return retry;
377} 377}
378 378
379static int ufs_alloc_lastblock(struct inode *inode) 379static int ufs_alloc_lastblock(struct inode *inode)
380{ 380{
381 int err = 0; 381 int err = 0;
382 struct super_block *sb = inode->i_sb;
382 struct address_space *mapping = inode->i_mapping; 383 struct address_space *mapping = inode->i_mapping;
383 struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi; 384 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
384 unsigned i, end; 385 unsigned i, end;
385 sector_t lastfrag; 386 sector_t lastfrag;
386 struct page *lastpage; 387 struct page *lastpage;
387 struct buffer_head *bh; 388 struct buffer_head *bh;
389 u64 phys64;
388 390
389 lastfrag = (i_size_read(inode) + uspi->s_fsize - 1) >> uspi->s_fshift; 391 lastfrag = (i_size_read(inode) + uspi->s_fsize - 1) >> uspi->s_fshift;
390 392
@@ -424,6 +426,20 @@ static int ufs_alloc_lastblock(struct inode *inode)
424 set_page_dirty(lastpage); 426 set_page_dirty(lastpage);
425 } 427 }
426 428
429 if (lastfrag >= UFS_IND_FRAGMENT) {
430 end = uspi->s_fpb - ufs_fragnum(lastfrag) - 1;
431 phys64 = bh->b_blocknr + 1;
432 for (i = 0; i < end; ++i) {
433 bh = sb_getblk(sb, i + phys64);
434 lock_buffer(bh);
435 memset(bh->b_data, 0, sb->s_blocksize);
436 set_buffer_uptodate(bh);
437 mark_buffer_dirty(bh);
438 unlock_buffer(bh);
439 sync_dirty_buffer(bh);
440 brelse(bh);
441 }
442 }
427out_unlock: 443out_unlock:
428 ufs_put_locked_page(lastpage); 444 ufs_put_locked_page(lastpage);
429out: 445out: