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Fix for BUG#7714 "if disk full, sometimes MyISAM doesn't wait for free space, corrupts table"

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This happened only if my_write() couldn't write even one byte.
I cannot easily add a .test for this, but I tested by hand before and after the change.


mysys/my_write.c:
  Monty and I could not find a reason why a write should not wait for free disk space
  (if disk is full) because it could not write at least one byte; doing so certainly
  corrupts tables. my_pwrite() and my_fwrite() don't test for -1, so no problem.
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unknown 2005-01-06 21:30:39 +01:00
parent 10844e41da
commit 5b47aaed3a
1 changed files with 1 additions and 2 deletions
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3
mysys/my_write.c
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@ -49,8 +49,7 @@ uint my_write(int Filedes, const byte *Buffer, uint Count, myf MyFlags)
MyFlags&= ~ MY_WAIT_IF_FULL; /* End if aborted by user */ MyFlags&= ~ MY_WAIT_IF_FULL; /* End if aborted by user */
#endif #endif
if ((my_errno == ENOSPC || my_errno == EDQUOT) && if ((my_errno == ENOSPC || my_errno == EDQUOT) &&
(MyFlags & MY_WAIT_IF_FULL) && (MyFlags & MY_WAIT_IF_FULL))
(uint) writenbytes != (uint) -1)
{ {
if (!(errors++ % MY_WAIT_GIVE_USER_A_MESSAGE)) if (!(errors++ % MY_WAIT_GIVE_USER_A_MESSAGE))
my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH), my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH),