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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

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Pull quota and isofs fixes from Jan Kara:
 "Two quota fixes (fallout of the quota locking changes) and an isofs
  build fix"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: Fix quota corruption with generic/232 test
  isofs: fix build regression
  quota: add missing lock into __dquot_transfer()
This commit is contained in:
Linus Torvalds 2017-09-27 12:22:12 -07:00
commit 9cd6681cb1
3 changed files with 8 additions and 0 deletions
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2
fs/isofs/inode.c
View File

@ -514,9 +514,11 @@ static int isofs_show_options(struct seq_file *m, struct dentry *root)
if (sbi->s_fmode != ISOFS_INVALID_MODE)
seq_printf(m, ",fmode=%o", sbi->s_fmode);
#ifdef CONFIG_JOLIET
if (sbi->s_nls_iocharset &&
strcmp(sbi->s_nls_iocharset->charset, CONFIG_NLS_DEFAULT) != 0)
seq_printf(m, ",iocharset=%s", sbi->s_nls_iocharset->charset);
#endif
return 0;
}

2
fs/quota/dquot.c
View File

@ -1980,7 +1980,9 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
ret = dquot_add_space(transfer_to[cnt], cur_space, rsv_space, 0,
&warn_to[cnt]);
if (ret) {
spin_lock(&transfer_to[cnt]->dq_dqb_lock);
dquot_decr_inodes(transfer_to[cnt], inode_usage);
spin_unlock(&transfer_to[cnt]->dq_dqb_lock);
goto over_quota;
}
}

4
fs/quota/quota_v2.c
View File

@ -328,12 +328,16 @@ static int v2_write_dquot(struct dquot *dquot)
if (!dquot->dq_off) {
alloc = true;
down_write(&dqopt->dqio_sem);
} else {
down_read(&dqopt->dqio_sem);
}
ret = qtree_write_dquot(
sb_dqinfo(dquot->dq_sb, dquot->dq_id.type)->dqi_priv,
dquot);
if (alloc)
up_write(&dqopt->dqio_sem);
else
up_read(&dqopt->dqio_sem);
return ret;
}