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yaml
---
r: 3280
b: refs/heads/master
c: 6283d58
h: refs/heads/master
v: v3
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Qu Fuping authored and Linus Torvalds committed Jun 25, 2005
1 parent 042dcaf commit e9f6d59
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Showing 2 changed files with 13 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 442ff702233287df3f50ec3a7fd0a73d7367cf5a
refs/heads/master: 6283d58e7464f82b1c1c33943f0bd51c1e83899a
15 changes: 12 additions & 3 deletions trunk/fs/reiserfs/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,7 @@ static int _get_block_create_0 (struct inode * inode, long block,
char * p = NULL;
int chars;
int ret ;
int result ;
int done = 0 ;
unsigned long offset ;

Expand All @@ -262,10 +263,13 @@ static int _get_block_create_0 (struct inode * inode, long block,
(loff_t)block * inode->i_sb->s_blocksize + 1, TYPE_ANY, 3);

research:
if (search_for_position_by_key (inode->i_sb, &key, &path) != POSITION_FOUND) {
result = search_for_position_by_key (inode->i_sb, &key, &path) ;
if (result != POSITION_FOUND) {
pathrelse (&path);
if (p)
kunmap(bh_result->b_page) ;
if (result == IO_ERROR)
return -EIO;
// We do not return -ENOENT if there is a hole but page is uptodate, because it means
// That there is some MMAPED data associated with it that is yet to be written to disk.
if ((args & GET_BLOCK_NO_HOLE) && !PageUptodate(bh_result->b_page) ) {
Expand Down Expand Up @@ -382,8 +386,9 @@ static int _get_block_create_0 (struct inode * inode, long block,

// update key to look for the next piece
set_cpu_key_k_offset (&key, cpu_key_k_offset (&key) + chars);
if (search_for_position_by_key (inode->i_sb, &key, &path) != POSITION_FOUND)
// we read something from tail, even if now we got IO_ERROR
result = search_for_position_by_key (inode->i_sb, &key, &path);
if (result != POSITION_FOUND)
// i/o error most likely
break;
bh = get_last_bh (&path);
ih = get_ih (&path);
Expand All @@ -394,6 +399,10 @@ static int _get_block_create_0 (struct inode * inode, long block,

finished:
pathrelse (&path);

if (result == IO_ERROR)
return -EIO;

/* this buffer has valid data, but isn't valid for io. mapping it to
* block #0 tells the rest of reiserfs it just has a tail in it
*/
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