diff options
author | Jeff Mahoney <jeffm@suse.com> | 2009-03-30 14:02:44 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 15:16:39 -0400 |
commit | 0222e6571c332563a48d4cf5487b67feabe60b5e (patch) | |
tree | 44829ca0a4b1343edec08d4f70696cb0d3218975 /fs/reiserfs/journal.c | |
parent | 3cd6dbe6feb9b32347e6c6f25a27f0cde9d50418 (diff) |
reiserfs: strip trailing whitespace
This patch strips trailing whitespace from the reiserfs code.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/reiserfs/journal.c')
-rw-r--r-- | fs/reiserfs/journal.c | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index db91754cfb83..4f787462becc 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c | |||
@@ -1,36 +1,36 @@ | |||
1 | /* | 1 | /* |
2 | ** Write ahead logging implementation copyright Chris Mason 2000 | 2 | ** Write ahead logging implementation copyright Chris Mason 2000 |
3 | ** | 3 | ** |
4 | ** The background commits make this code very interelated, and | 4 | ** The background commits make this code very interelated, and |
5 | ** overly complex. I need to rethink things a bit....The major players: | 5 | ** overly complex. I need to rethink things a bit....The major players: |
6 | ** | 6 | ** |
7 | ** journal_begin -- call with the number of blocks you expect to log. | 7 | ** journal_begin -- call with the number of blocks you expect to log. |
8 | ** If the current transaction is too | 8 | ** If the current transaction is too |
9 | ** old, it will block until the current transaction is | 9 | ** old, it will block until the current transaction is |
10 | ** finished, and then start a new one. | 10 | ** finished, and then start a new one. |
11 | ** Usually, your transaction will get joined in with | 11 | ** Usually, your transaction will get joined in with |
12 | ** previous ones for speed. | 12 | ** previous ones for speed. |
13 | ** | 13 | ** |
14 | ** journal_join -- same as journal_begin, but won't block on the current | 14 | ** journal_join -- same as journal_begin, but won't block on the current |
15 | ** transaction regardless of age. Don't ever call | 15 | ** transaction regardless of age. Don't ever call |
16 | ** this. Ever. There are only two places it should be | 16 | ** this. Ever. There are only two places it should be |
17 | ** called from, and they are both inside this file. | 17 | ** called from, and they are both inside this file. |
18 | ** | 18 | ** |
19 | ** journal_mark_dirty -- adds blocks into this transaction. clears any flags | 19 | ** journal_mark_dirty -- adds blocks into this transaction. clears any flags |
20 | ** that might make them get sent to disk | 20 | ** that might make them get sent to disk |
21 | ** and then marks them BH_JDirty. Puts the buffer head | 21 | ** and then marks them BH_JDirty. Puts the buffer head |
22 | ** into the current transaction hash. | 22 | ** into the current transaction hash. |
23 | ** | 23 | ** |
24 | ** journal_end -- if the current transaction is batchable, it does nothing | 24 | ** journal_end -- if the current transaction is batchable, it does nothing |
25 | ** otherwise, it could do an async/synchronous commit, or | 25 | ** otherwise, it could do an async/synchronous commit, or |
26 | ** a full flush of all log and real blocks in the | 26 | ** a full flush of all log and real blocks in the |
27 | ** transaction. | 27 | ** transaction. |
28 | ** | 28 | ** |
29 | ** flush_old_commits -- if the current transaction is too old, it is ended and | 29 | ** flush_old_commits -- if the current transaction is too old, it is ended and |
30 | ** commit blocks are sent to disk. Forces commit blocks | 30 | ** commit blocks are sent to disk. Forces commit blocks |
31 | ** to disk for all backgrounded commits that have been | 31 | ** to disk for all backgrounded commits that have been |
32 | ** around too long. | 32 | ** around too long. |
33 | ** -- Note, if you call this as an immediate flush from | 33 | ** -- Note, if you call this as an immediate flush from |
34 | ** from within kupdate, it will ignore the immediate flag | 34 | ** from within kupdate, it will ignore the immediate flag |
35 | */ | 35 | */ |
36 | 36 | ||
@@ -212,7 +212,7 @@ static void allocate_bitmap_nodes(struct super_block *p_s_sb) | |||
212 | list_add(&bn->list, &journal->j_bitmap_nodes); | 212 | list_add(&bn->list, &journal->j_bitmap_nodes); |
213 | journal->j_free_bitmap_nodes++; | 213 | journal->j_free_bitmap_nodes++; |
214 | } else { | 214 | } else { |
215 | break; // this is ok, we'll try again when more are needed | 215 | break; /* this is ok, we'll try again when more are needed */ |
216 | } | 216 | } |
217 | } | 217 | } |
218 | } | 218 | } |
@@ -283,7 +283,7 @@ static int free_bitmap_nodes(struct super_block *p_s_sb) | |||
283 | } | 283 | } |
284 | 284 | ||
285 | /* | 285 | /* |
286 | ** get memory for JOURNAL_NUM_BITMAPS worth of bitmaps. | 286 | ** get memory for JOURNAL_NUM_BITMAPS worth of bitmaps. |
287 | ** jb_array is the array to be filled in. | 287 | ** jb_array is the array to be filled in. |
288 | */ | 288 | */ |
289 | int reiserfs_allocate_list_bitmaps(struct super_block *p_s_sb, | 289 | int reiserfs_allocate_list_bitmaps(struct super_block *p_s_sb, |
@@ -315,7 +315,7 @@ int reiserfs_allocate_list_bitmaps(struct super_block *p_s_sb, | |||
315 | } | 315 | } |
316 | 316 | ||
317 | /* | 317 | /* |
318 | ** find an available list bitmap. If you can't find one, flush a commit list | 318 | ** find an available list bitmap. If you can't find one, flush a commit list |
319 | ** and try again | 319 | ** and try again |
320 | */ | 320 | */ |
321 | static struct reiserfs_list_bitmap *get_list_bitmap(struct super_block *p_s_sb, | 321 | static struct reiserfs_list_bitmap *get_list_bitmap(struct super_block *p_s_sb, |
@@ -348,7 +348,7 @@ static struct reiserfs_list_bitmap *get_list_bitmap(struct super_block *p_s_sb, | |||
348 | return jb; | 348 | return jb; |
349 | } | 349 | } |
350 | 350 | ||
351 | /* | 351 | /* |
352 | ** allocates a new chunk of X nodes, and links them all together as a list. | 352 | ** allocates a new chunk of X nodes, and links them all together as a list. |
353 | ** Uses the cnode->next and cnode->prev pointers | 353 | ** Uses the cnode->next and cnode->prev pointers |
354 | ** returns NULL on failure | 354 | ** returns NULL on failure |
@@ -376,7 +376,7 @@ static struct reiserfs_journal_cnode *allocate_cnodes(int num_cnodes) | |||
376 | } | 376 | } |
377 | 377 | ||
378 | /* | 378 | /* |
379 | ** pulls a cnode off the free list, or returns NULL on failure | 379 | ** pulls a cnode off the free list, or returns NULL on failure |
380 | */ | 380 | */ |
381 | static struct reiserfs_journal_cnode *get_cnode(struct super_block *p_s_sb) | 381 | static struct reiserfs_journal_cnode *get_cnode(struct super_block *p_s_sb) |
382 | { | 382 | { |
@@ -403,7 +403,7 @@ static struct reiserfs_journal_cnode *get_cnode(struct super_block *p_s_sb) | |||
403 | } | 403 | } |
404 | 404 | ||
405 | /* | 405 | /* |
406 | ** returns a cnode to the free list | 406 | ** returns a cnode to the free list |
407 | */ | 407 | */ |
408 | static void free_cnode(struct super_block *p_s_sb, | 408 | static void free_cnode(struct super_block *p_s_sb, |
409 | struct reiserfs_journal_cnode *cn) | 409 | struct reiserfs_journal_cnode *cn) |
@@ -1192,8 +1192,8 @@ static int flush_commit_list(struct super_block *s, | |||
1192 | } | 1192 | } |
1193 | 1193 | ||
1194 | /* | 1194 | /* |
1195 | ** flush_journal_list frequently needs to find a newer transaction for a given block. This does that, or | 1195 | ** flush_journal_list frequently needs to find a newer transaction for a given block. This does that, or |
1196 | ** returns NULL if it can't find anything | 1196 | ** returns NULL if it can't find anything |
1197 | */ | 1197 | */ |
1198 | static struct reiserfs_journal_list *find_newer_jl_for_cn(struct | 1198 | static struct reiserfs_journal_list *find_newer_jl_for_cn(struct |
1199 | reiserfs_journal_cnode | 1199 | reiserfs_journal_cnode |
@@ -1335,8 +1335,8 @@ static int update_journal_header_block(struct super_block *p_s_sb, | |||
1335 | return _update_journal_header_block(p_s_sb, offset, trans_id); | 1335 | return _update_journal_header_block(p_s_sb, offset, trans_id); |
1336 | } | 1336 | } |
1337 | 1337 | ||
1338 | /* | 1338 | /* |
1339 | ** flush any and all journal lists older than you are | 1339 | ** flush any and all journal lists older than you are |
1340 | ** can only be called from flush_journal_list | 1340 | ** can only be called from flush_journal_list |
1341 | */ | 1341 | */ |
1342 | static int flush_older_journal_lists(struct super_block *p_s_sb, | 1342 | static int flush_older_journal_lists(struct super_block *p_s_sb, |
@@ -1382,8 +1382,8 @@ static void del_from_work_list(struct super_block *s, | |||
1382 | ** always set flushall to 1, unless you are calling from inside | 1382 | ** always set flushall to 1, unless you are calling from inside |
1383 | ** flush_journal_list | 1383 | ** flush_journal_list |
1384 | ** | 1384 | ** |
1385 | ** IMPORTANT. This can only be called while there are no journal writers, | 1385 | ** IMPORTANT. This can only be called while there are no journal writers, |
1386 | ** and the journal is locked. That means it can only be called from | 1386 | ** and the journal is locked. That means it can only be called from |
1387 | ** do_journal_end, or by journal_release | 1387 | ** do_journal_end, or by journal_release |
1388 | */ | 1388 | */ |
1389 | static int flush_journal_list(struct super_block *s, | 1389 | static int flush_journal_list(struct super_block *s, |
@@ -1429,7 +1429,7 @@ static int flush_journal_list(struct super_block *s, | |||
1429 | goto flush_older_and_return; | 1429 | goto flush_older_and_return; |
1430 | } | 1430 | } |
1431 | 1431 | ||
1432 | /* start by putting the commit list on disk. This will also flush | 1432 | /* start by putting the commit list on disk. This will also flush |
1433 | ** the commit lists of any olders transactions | 1433 | ** the commit lists of any olders transactions |
1434 | */ | 1434 | */ |
1435 | flush_commit_list(s, jl, 1); | 1435 | flush_commit_list(s, jl, 1); |
@@ -1444,8 +1444,8 @@ static int flush_journal_list(struct super_block *s, | |||
1444 | goto flush_older_and_return; | 1444 | goto flush_older_and_return; |
1445 | } | 1445 | } |
1446 | 1446 | ||
1447 | /* loop through each cnode, see if we need to write it, | 1447 | /* loop through each cnode, see if we need to write it, |
1448 | ** or wait on a more recent transaction, or just ignore it | 1448 | ** or wait on a more recent transaction, or just ignore it |
1449 | */ | 1449 | */ |
1450 | if (atomic_read(&(journal->j_wcount)) != 0) { | 1450 | if (atomic_read(&(journal->j_wcount)) != 0) { |
1451 | reiserfs_panic(s, "journal-844", "journal list is flushing, " | 1451 | reiserfs_panic(s, "journal-844", "journal list is flushing, " |
@@ -1473,8 +1473,8 @@ static int flush_journal_list(struct super_block *s, | |||
1473 | if (!pjl && cn->bh) { | 1473 | if (!pjl && cn->bh) { |
1474 | saved_bh = cn->bh; | 1474 | saved_bh = cn->bh; |
1475 | 1475 | ||
1476 | /* we do this to make sure nobody releases the buffer while | 1476 | /* we do this to make sure nobody releases the buffer while |
1477 | ** we are working with it | 1477 | ** we are working with it |
1478 | */ | 1478 | */ |
1479 | get_bh(saved_bh); | 1479 | get_bh(saved_bh); |
1480 | 1480 | ||
@@ -1497,8 +1497,8 @@ static int flush_journal_list(struct super_block *s, | |||
1497 | goto free_cnode; | 1497 | goto free_cnode; |
1498 | } | 1498 | } |
1499 | 1499 | ||
1500 | /* bh == NULL when the block got to disk on its own, OR, | 1500 | /* bh == NULL when the block got to disk on its own, OR, |
1501 | ** the block got freed in a future transaction | 1501 | ** the block got freed in a future transaction |
1502 | */ | 1502 | */ |
1503 | if (saved_bh == NULL) { | 1503 | if (saved_bh == NULL) { |
1504 | goto free_cnode; | 1504 | goto free_cnode; |
@@ -1586,7 +1586,7 @@ static int flush_journal_list(struct super_block *s, | |||
1586 | __func__); | 1586 | __func__); |
1587 | flush_older_and_return: | 1587 | flush_older_and_return: |
1588 | 1588 | ||
1589 | /* before we can update the journal header block, we _must_ flush all | 1589 | /* before we can update the journal header block, we _must_ flush all |
1590 | ** real blocks from all older transactions to disk. This is because | 1590 | ** real blocks from all older transactions to disk. This is because |
1591 | ** once the header block is updated, this transaction will not be | 1591 | ** once the header block is updated, this transaction will not be |
1592 | ** replayed after a crash | 1592 | ** replayed after a crash |
@@ -1596,7 +1596,7 @@ static int flush_journal_list(struct super_block *s, | |||
1596 | } | 1596 | } |
1597 | 1597 | ||
1598 | err = journal->j_errno; | 1598 | err = journal->j_errno; |
1599 | /* before we can remove everything from the hash tables for this | 1599 | /* before we can remove everything from the hash tables for this |
1600 | ** transaction, we must make sure it can never be replayed | 1600 | ** transaction, we must make sure it can never be replayed |
1601 | ** | 1601 | ** |
1602 | ** since we are only called from do_journal_end, we know for sure there | 1602 | ** since we are only called from do_journal_end, we know for sure there |
@@ -2016,9 +2016,9 @@ static int journal_compare_desc_commit(struct super_block *p_s_sb, | |||
2016 | return 0; | 2016 | return 0; |
2017 | } | 2017 | } |
2018 | 2018 | ||
2019 | /* returns 0 if it did not find a description block | 2019 | /* returns 0 if it did not find a description block |
2020 | ** returns -1 if it found a corrupt commit block | 2020 | ** returns -1 if it found a corrupt commit block |
2021 | ** returns 1 if both desc and commit were valid | 2021 | ** returns 1 if both desc and commit were valid |
2022 | */ | 2022 | */ |
2023 | static int journal_transaction_is_valid(struct super_block *p_s_sb, | 2023 | static int journal_transaction_is_valid(struct super_block *p_s_sb, |
2024 | struct buffer_head *d_bh, | 2024 | struct buffer_head *d_bh, |
@@ -2380,8 +2380,8 @@ static int journal_read(struct super_block *p_s_sb) | |||
2380 | bdevname(journal->j_dev_bd, b)); | 2380 | bdevname(journal->j_dev_bd, b)); |
2381 | start = get_seconds(); | 2381 | start = get_seconds(); |
2382 | 2382 | ||
2383 | /* step 1, read in the journal header block. Check the transaction it says | 2383 | /* step 1, read in the journal header block. Check the transaction it says |
2384 | ** is the first unflushed, and if that transaction is not valid, | 2384 | ** is the first unflushed, and if that transaction is not valid, |
2385 | ** replay is done | 2385 | ** replay is done |
2386 | */ | 2386 | */ |
2387 | journal->j_header_bh = journal_bread(p_s_sb, | 2387 | journal->j_header_bh = journal_bread(p_s_sb, |
@@ -2406,8 +2406,8 @@ static int journal_read(struct super_block *p_s_sb) | |||
2406 | le32_to_cpu(jh->j_last_flush_trans_id)); | 2406 | le32_to_cpu(jh->j_last_flush_trans_id)); |
2407 | valid_journal_header = 1; | 2407 | valid_journal_header = 1; |
2408 | 2408 | ||
2409 | /* now, we try to read the first unflushed offset. If it is not valid, | 2409 | /* now, we try to read the first unflushed offset. If it is not valid, |
2410 | ** there is nothing more we can do, and it makes no sense to read | 2410 | ** there is nothing more we can do, and it makes no sense to read |
2411 | ** through the whole log. | 2411 | ** through the whole log. |
2412 | */ | 2412 | */ |
2413 | d_bh = | 2413 | d_bh = |
@@ -2919,7 +2919,7 @@ int journal_transaction_should_end(struct reiserfs_transaction_handle *th, | |||
2919 | return 0; | 2919 | return 0; |
2920 | } | 2920 | } |
2921 | 2921 | ||
2922 | /* this must be called inside a transaction, and requires the | 2922 | /* this must be called inside a transaction, and requires the |
2923 | ** kernel_lock to be held | 2923 | ** kernel_lock to be held |
2924 | */ | 2924 | */ |
2925 | void reiserfs_block_writes(struct reiserfs_transaction_handle *th) | 2925 | void reiserfs_block_writes(struct reiserfs_transaction_handle *th) |
@@ -3040,7 +3040,7 @@ static int do_journal_begin_r(struct reiserfs_transaction_handle *th, | |||
3040 | now = get_seconds(); | 3040 | now = get_seconds(); |
3041 | 3041 | ||
3042 | /* if there is no room in the journal OR | 3042 | /* if there is no room in the journal OR |
3043 | ** if this transaction is too old, and we weren't called joinable, wait for it to finish before beginning | 3043 | ** if this transaction is too old, and we weren't called joinable, wait for it to finish before beginning |
3044 | ** we don't sleep if there aren't other writers | 3044 | ** we don't sleep if there aren't other writers |
3045 | */ | 3045 | */ |
3046 | 3046 | ||
@@ -3240,7 +3240,7 @@ int journal_begin(struct reiserfs_transaction_handle *th, | |||
3240 | ** | 3240 | ** |
3241 | ** if it was dirty, cleans and files onto the clean list. I can't let it be dirty again until the | 3241 | ** if it was dirty, cleans and files onto the clean list. I can't let it be dirty again until the |
3242 | ** transaction is committed. | 3242 | ** transaction is committed. |
3243 | ** | 3243 | ** |
3244 | ** if j_len, is bigger than j_len_alloc, it pushes j_len_alloc to 10 + j_len. | 3244 | ** if j_len, is bigger than j_len_alloc, it pushes j_len_alloc to 10 + j_len. |
3245 | */ | 3245 | */ |
3246 | int journal_mark_dirty(struct reiserfs_transaction_handle *th, | 3246 | int journal_mark_dirty(struct reiserfs_transaction_handle *th, |
@@ -3290,7 +3290,7 @@ int journal_mark_dirty(struct reiserfs_transaction_handle *th, | |||
3290 | atomic_read(&(journal->j_wcount))); | 3290 | atomic_read(&(journal->j_wcount))); |
3291 | return 1; | 3291 | return 1; |
3292 | } | 3292 | } |
3293 | /* this error means I've screwed up, and we've overflowed the transaction. | 3293 | /* this error means I've screwed up, and we've overflowed the transaction. |
3294 | ** Nothing can be done here, except make the FS readonly or panic. | 3294 | ** Nothing can be done here, except make the FS readonly or panic. |
3295 | */ | 3295 | */ |
3296 | if (journal->j_len >= journal->j_trans_max) { | 3296 | if (journal->j_len >= journal->j_trans_max) { |
@@ -3380,7 +3380,7 @@ int journal_end(struct reiserfs_transaction_handle *th, | |||
3380 | } | 3380 | } |
3381 | } | 3381 | } |
3382 | 3382 | ||
3383 | /* removes from the current transaction, relsing and descrementing any counters. | 3383 | /* removes from the current transaction, relsing and descrementing any counters. |
3384 | ** also files the removed buffer directly onto the clean list | 3384 | ** also files the removed buffer directly onto the clean list |
3385 | ** | 3385 | ** |
3386 | ** called by journal_mark_freed when a block has been deleted | 3386 | ** called by journal_mark_freed when a block has been deleted |
@@ -3478,7 +3478,7 @@ static int can_dirty(struct reiserfs_journal_cnode *cn) | |||
3478 | } | 3478 | } |
3479 | 3479 | ||
3480 | /* syncs the commit blocks, but does not force the real buffers to disk | 3480 | /* syncs the commit blocks, but does not force the real buffers to disk |
3481 | ** will wait until the current transaction is done/committed before returning | 3481 | ** will wait until the current transaction is done/committed before returning |
3482 | */ | 3482 | */ |
3483 | int journal_end_sync(struct reiserfs_transaction_handle *th, | 3483 | int journal_end_sync(struct reiserfs_transaction_handle *th, |
3484 | struct super_block *p_s_sb, unsigned long nblocks) | 3484 | struct super_block *p_s_sb, unsigned long nblocks) |
@@ -3560,13 +3560,13 @@ int reiserfs_flush_old_commits(struct super_block *p_s_sb) | |||
3560 | 3560 | ||
3561 | /* | 3561 | /* |
3562 | ** returns 0 if do_journal_end should return right away, returns 1 if do_journal_end should finish the commit | 3562 | ** returns 0 if do_journal_end should return right away, returns 1 if do_journal_end should finish the commit |
3563 | ** | 3563 | ** |
3564 | ** if the current transaction is too old, but still has writers, this will wait on j_join_wait until all | 3564 | ** if the current transaction is too old, but still has writers, this will wait on j_join_wait until all |
3565 | ** the writers are done. By the time it wakes up, the transaction it was called has already ended, so it just | 3565 | ** the writers are done. By the time it wakes up, the transaction it was called has already ended, so it just |
3566 | ** flushes the commit list and returns 0. | 3566 | ** flushes the commit list and returns 0. |
3567 | ** | 3567 | ** |
3568 | ** Won't batch when flush or commit_now is set. Also won't batch when others are waiting on j_join_wait. | 3568 | ** Won't batch when flush or commit_now is set. Also won't batch when others are waiting on j_join_wait. |
3569 | ** | 3569 | ** |
3570 | ** Note, we can't allow the journal_end to proceed while there are still writers in the log. | 3570 | ** Note, we can't allow the journal_end to proceed while there are still writers in the log. |
3571 | */ | 3571 | */ |
3572 | static int check_journal_end(struct reiserfs_transaction_handle *th, | 3572 | static int check_journal_end(struct reiserfs_transaction_handle *th, |
@@ -3594,7 +3594,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, | |||
3594 | atomic_dec(&(journal->j_wcount)); | 3594 | atomic_dec(&(journal->j_wcount)); |
3595 | } | 3595 | } |
3596 | 3596 | ||
3597 | /* BUG, deal with case where j_len is 0, but people previously freed blocks need to be released | 3597 | /* BUG, deal with case where j_len is 0, but people previously freed blocks need to be released |
3598 | ** will be dealt with by next transaction that actually writes something, but should be taken | 3598 | ** will be dealt with by next transaction that actually writes something, but should be taken |
3599 | ** care of in this trans | 3599 | ** care of in this trans |
3600 | */ | 3600 | */ |
@@ -3603,7 +3603,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, | |||
3603 | /* if wcount > 0, and we are called to with flush or commit_now, | 3603 | /* if wcount > 0, and we are called to with flush or commit_now, |
3604 | ** we wait on j_join_wait. We will wake up when the last writer has | 3604 | ** we wait on j_join_wait. We will wake up when the last writer has |
3605 | ** finished the transaction, and started it on its way to the disk. | 3605 | ** finished the transaction, and started it on its way to the disk. |
3606 | ** Then, we flush the commit or journal list, and just return 0 | 3606 | ** Then, we flush the commit or journal list, and just return 0 |
3607 | ** because the rest of journal end was already done for this transaction. | 3607 | ** because the rest of journal end was already done for this transaction. |
3608 | */ | 3608 | */ |
3609 | if (atomic_read(&(journal->j_wcount)) > 0) { | 3609 | if (atomic_read(&(journal->j_wcount)) > 0) { |
@@ -3674,7 +3674,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, | |||
3674 | /* | 3674 | /* |
3675 | ** Does all the work that makes deleting blocks safe. | 3675 | ** Does all the work that makes deleting blocks safe. |
3676 | ** when deleting a block mark BH_JNew, just remove it from the current transaction, clean it's buffer_head and move on. | 3676 | ** when deleting a block mark BH_JNew, just remove it from the current transaction, clean it's buffer_head and move on. |
3677 | ** | 3677 | ** |
3678 | ** otherwise: | 3678 | ** otherwise: |
3679 | ** set a bit for the block in the journal bitmap. That will prevent it from being allocated for unformatted nodes | 3679 | ** set a bit for the block in the journal bitmap. That will prevent it from being allocated for unformatted nodes |
3680 | ** before this transaction has finished. | 3680 | ** before this transaction has finished. |
@@ -3878,7 +3878,7 @@ extern struct tree_balance *cur_tb; | |||
3878 | ** be written to disk while we are altering it. So, we must: | 3878 | ** be written to disk while we are altering it. So, we must: |
3879 | ** clean it | 3879 | ** clean it |
3880 | ** wait on it. | 3880 | ** wait on it. |
3881 | ** | 3881 | ** |
3882 | */ | 3882 | */ |
3883 | int reiserfs_prepare_for_journal(struct super_block *p_s_sb, | 3883 | int reiserfs_prepare_for_journal(struct super_block *p_s_sb, |
3884 | struct buffer_head *bh, int wait) | 3884 | struct buffer_head *bh, int wait) |
@@ -3920,7 +3920,7 @@ static void flush_old_journal_lists(struct super_block *s) | |||
3920 | } | 3920 | } |
3921 | } | 3921 | } |
3922 | 3922 | ||
3923 | /* | 3923 | /* |
3924 | ** long and ugly. If flush, will not return until all commit | 3924 | ** long and ugly. If flush, will not return until all commit |
3925 | ** blocks and all real buffers in the trans are on disk. | 3925 | ** blocks and all real buffers in the trans are on disk. |
3926 | ** If no_async, won't return until all commit blocks are on disk. | 3926 | ** If no_async, won't return until all commit blocks are on disk. |
@@ -3981,7 +3981,7 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, | |||
3981 | wait_on_commit = 1; | 3981 | wait_on_commit = 1; |
3982 | } | 3982 | } |
3983 | 3983 | ||
3984 | /* check_journal_end locks the journal, and unlocks if it does not return 1 | 3984 | /* check_journal_end locks the journal, and unlocks if it does not return 1 |
3985 | ** it tells us if we should continue with the journal_end, or just return | 3985 | ** it tells us if we should continue with the journal_end, or just return |
3986 | */ | 3986 | */ |
3987 | if (!check_journal_end(th, p_s_sb, nblocks, flags)) { | 3987 | if (!check_journal_end(th, p_s_sb, nblocks, flags)) { |
@@ -4078,7 +4078,7 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, | |||
4078 | last_cn->next = jl_cn; | 4078 | last_cn->next = jl_cn; |
4079 | } | 4079 | } |
4080 | last_cn = jl_cn; | 4080 | last_cn = jl_cn; |
4081 | /* make sure the block we are trying to log is not a block | 4081 | /* make sure the block we are trying to log is not a block |
4082 | of journal or reserved area */ | 4082 | of journal or reserved area */ |
4083 | 4083 | ||
4084 | if (is_block_in_log_or_reserved_area | 4084 | if (is_block_in_log_or_reserved_area |
@@ -4225,9 +4225,9 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, | |||
4225 | } else if (!(jl->j_state & LIST_COMMIT_PENDING)) | 4225 | } else if (!(jl->j_state & LIST_COMMIT_PENDING)) |
4226 | queue_delayed_work(commit_wq, &journal->j_work, HZ / 10); | 4226 | queue_delayed_work(commit_wq, &journal->j_work, HZ / 10); |
4227 | 4227 | ||
4228 | /* if the next transaction has any chance of wrapping, flush | 4228 | /* if the next transaction has any chance of wrapping, flush |
4229 | ** transactions that might get overwritten. If any journal lists are very | 4229 | ** transactions that might get overwritten. If any journal lists are very |
4230 | ** old flush them as well. | 4230 | ** old flush them as well. |
4231 | */ | 4231 | */ |
4232 | first_jl: | 4232 | first_jl: |
4233 | list_for_each_safe(entry, safe, &journal->j_journal_list) { | 4233 | list_for_each_safe(entry, safe, &journal->j_journal_list) { |