diff options
Diffstat (limited to 'fs/reiserfs/inode.c')
-rw-r--r-- | fs/reiserfs/inode.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index c1f93896cb53..41656d40dc5c 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c | |||
@@ -22,8 +22,6 @@ | |||
22 | 22 | ||
23 | int reiserfs_commit_write(struct file *f, struct page *page, | 23 | int reiserfs_commit_write(struct file *f, struct page *page, |
24 | unsigned from, unsigned to); | 24 | unsigned from, unsigned to); |
25 | int reiserfs_prepare_write(struct file *f, struct page *page, | ||
26 | unsigned from, unsigned to); | ||
27 | 25 | ||
28 | void reiserfs_evict_inode(struct inode *inode) | 26 | void reiserfs_evict_inode(struct inode *inode) |
29 | { | 27 | { |
@@ -165,7 +163,7 @@ inline void make_le_item_head(struct item_head *ih, const struct cpu_key *key, | |||
165 | ** but tail is still sitting in a direct item, and we can't write to | 163 | ** but tail is still sitting in a direct item, and we can't write to |
166 | ** it. So, look through this page, and check all the mapped buffers | 164 | ** it. So, look through this page, and check all the mapped buffers |
167 | ** to make sure they have valid block numbers. Any that don't need | 165 | ** to make sure they have valid block numbers. Any that don't need |
168 | ** to be unmapped, so that block_prepare_write will correctly call | 166 | ** to be unmapped, so that __block_write_begin will correctly call |
169 | ** reiserfs_get_block to convert the tail into an unformatted node | 167 | ** reiserfs_get_block to convert the tail into an unformatted node |
170 | */ | 168 | */ |
171 | static inline void fix_tail_page_for_writing(struct page *page) | 169 | static inline void fix_tail_page_for_writing(struct page *page) |
@@ -439,13 +437,13 @@ static int reiserfs_bmap(struct inode *inode, sector_t block, | |||
439 | } | 437 | } |
440 | 438 | ||
441 | /* special version of get_block that is only used by grab_tail_page right | 439 | /* special version of get_block that is only used by grab_tail_page right |
442 | ** now. It is sent to block_prepare_write, and when you try to get a | 440 | ** now. It is sent to __block_write_begin, and when you try to get a |
443 | ** block past the end of the file (or a block from a hole) it returns | 441 | ** block past the end of the file (or a block from a hole) it returns |
444 | ** -ENOENT instead of a valid buffer. block_prepare_write expects to | 442 | ** -ENOENT instead of a valid buffer. __block_write_begin expects to |
445 | ** be able to do i/o on the buffers returned, unless an error value | 443 | ** be able to do i/o on the buffers returned, unless an error value |
446 | ** is also returned. | 444 | ** is also returned. |
447 | ** | 445 | ** |
448 | ** So, this allows block_prepare_write to be used for reading a single block | 446 | ** So, this allows __block_write_begin to be used for reading a single block |
449 | ** in a page. Where it does not produce a valid page for holes, or past the | 447 | ** in a page. Where it does not produce a valid page for holes, or past the |
450 | ** end of the file. This turns out to be exactly what we need for reading | 448 | ** end of the file. This turns out to be exactly what we need for reading |
451 | ** tails for conversion. | 449 | ** tails for conversion. |
@@ -558,11 +556,12 @@ static int convert_tail_for_hole(struct inode *inode, | |||
558 | ** | 556 | ** |
559 | ** We must fix the tail page for writing because it might have buffers | 557 | ** We must fix the tail page for writing because it might have buffers |
560 | ** that are mapped, but have a block number of 0. This indicates tail | 558 | ** that are mapped, but have a block number of 0. This indicates tail |
561 | ** data that has been read directly into the page, and block_prepare_write | 559 | ** data that has been read directly into the page, and |
562 | ** won't trigger a get_block in this case. | 560 | ** __block_write_begin won't trigger a get_block in this case. |
563 | */ | 561 | */ |
564 | fix_tail_page_for_writing(tail_page); | 562 | fix_tail_page_for_writing(tail_page); |
565 | retval = reiserfs_prepare_write(NULL, tail_page, tail_start, tail_end); | 563 | retval = __reiserfs_write_begin(tail_page, tail_start, |
564 | tail_end - tail_start); | ||
566 | if (retval) | 565 | if (retval) |
567 | goto unlock; | 566 | goto unlock; |
568 | 567 | ||
@@ -2033,7 +2032,7 @@ static int grab_tail_page(struct inode *inode, | |||
2033 | /* start within the page of the last block in the file */ | 2032 | /* start within the page of the last block in the file */ |
2034 | start = (offset / blocksize) * blocksize; | 2033 | start = (offset / blocksize) * blocksize; |
2035 | 2034 | ||
2036 | error = block_prepare_write(page, start, offset, | 2035 | error = __block_write_begin(page, start, offset - start, |
2037 | reiserfs_get_block_create_0); | 2036 | reiserfs_get_block_create_0); |
2038 | if (error) | 2037 | if (error) |
2039 | goto unlock; | 2038 | goto unlock; |
@@ -2628,8 +2627,7 @@ static int reiserfs_write_begin(struct file *file, | |||
2628 | return ret; | 2627 | return ret; |
2629 | } | 2628 | } |
2630 | 2629 | ||
2631 | int reiserfs_prepare_write(struct file *f, struct page *page, | 2630 | int __reiserfs_write_begin(struct page *page, unsigned from, unsigned len) |
2632 | unsigned from, unsigned to) | ||
2633 | { | 2631 | { |
2634 | struct inode *inode = page->mapping->host; | 2632 | struct inode *inode = page->mapping->host; |
2635 | int ret; | 2633 | int ret; |
@@ -2650,7 +2648,7 @@ int reiserfs_prepare_write(struct file *f, struct page *page, | |||
2650 | th->t_refcount++; | 2648 | th->t_refcount++; |
2651 | } | 2649 | } |
2652 | 2650 | ||
2653 | ret = block_prepare_write(page, from, to, reiserfs_get_block); | 2651 | ret = __block_write_begin(page, from, len, reiserfs_get_block); |
2654 | if (ret && reiserfs_transaction_running(inode->i_sb)) { | 2652 | if (ret && reiserfs_transaction_running(inode->i_sb)) { |
2655 | struct reiserfs_transaction_handle *th = current->journal_info; | 2653 | struct reiserfs_transaction_handle *th = current->journal_info; |
2656 | /* this gets a little ugly. If reiserfs_get_block returned an | 2654 | /* this gets a little ugly. If reiserfs_get_block returned an |