AcoSail/kernel_optimize_test
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[PATCH] ufs: unlock_super without lock

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ufs_free_blocks function looks now in so way:
if (err)
 goto failed;
 lock_super();
failed:
 unlock_super();

So if error happen we'll unlock not locked super.

Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Evgeniy Dushistov 2006-06-25 05:47:26 -07:00 committed by Linus Torvalds
parent 50aa4eb0b9
commit 2e006393ba
1 changed files with 5 additions and 4 deletions
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9
fs/ufs/balloc.c
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@ -156,7 +156,7 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
bit = ufs_dtogd (fragment);
if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_free_blocks", "freeing blocks are outside device");
goto failed;
goto failed_unlock;
}
end_bit = bit + count;
if (end_bit > uspi->s_fpg) {
@ -167,11 +167,11 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
ucpi = ufs_load_cylinder (sb, cgno);
if (!ucpi)
goto failed;
goto failed_unlock;
ucg = ubh_get_ucg (UCPI_UBH(ucpi));
if (!ufs_cg_chkmagic(sb, ucg)) {
ufs_panic (sb, "ufs_free_blocks", "internal error, bad magic number on cg %u", cgno);
goto failed;
goto failed_unlock;
}
for (i = bit; i < end_bit; i += uspi->s_fpb) {
@ -210,8 +210,9 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
UFSD("EXIT\n");
return;
failed:
failed_unlock:
unlock_super (sb);
failed:
UFSD("EXIT (FAILED)\n");
return;
}