quota: ext3: make ext3 handle quotaon on remount
Update ext3 handle quotaon on remount RW. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -685,7 +685,8 @@ static int ext3_acquire_dquot(struct dquot *dquot);
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static int ext3_release_dquot(struct dquot *dquot);
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static int ext3_mark_dquot_dirty(struct dquot *dquot);
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static int ext3_write_info(struct super_block *sb, int type);
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static int ext3_quota_on(struct super_block *sb, int type, int format_id, char *path);
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static int ext3_quota_on(struct super_block *sb, int type, int format_id,
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char *path, int remount);
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static int ext3_quota_on_mount(struct super_block *sb, int type);
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static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
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size_t len, loff_t off);
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@ -1415,7 +1416,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
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/* Turn quotas off */
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for (i = 0; i < MAXQUOTAS; i++) {
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if (sb_dqopt(sb)->files[i])
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vfs_quota_off(sb, i);
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vfs_quota_off(sb, i, 0);
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}
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#endif
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sb->s_flags = s_flags; /* Restore MS_RDONLY status */
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@ -2743,17 +2744,17 @@ static int ext3_quota_on_mount(struct super_block *sb, int type)
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* Standard function to be called on quota_on
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*/
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static int ext3_quota_on(struct super_block *sb, int type, int format_id,
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char *path)
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char *path, int remount)
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{
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int err;
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struct nameidata nd;
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if (!test_opt(sb, QUOTA))
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return -EINVAL;
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/* Not journalling quota? */
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if (!EXT3_SB(sb)->s_qf_names[USRQUOTA] &&
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!EXT3_SB(sb)->s_qf_names[GRPQUOTA])
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return vfs_quota_on(sb, type, format_id, path);
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/* Not journalling quota or remount? */
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if ((!EXT3_SB(sb)->s_qf_names[USRQUOTA] &&
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!EXT3_SB(sb)->s_qf_names[GRPQUOTA]) || remount)
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return vfs_quota_on(sb, type, format_id, path, remount);
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err = path_lookup(path, LOOKUP_FOLLOW, &nd);
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if (err)
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return err;
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@ -2762,13 +2763,13 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
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path_put(&nd.path);
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return -EXDEV;
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}
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/* Quotafile not of fs root? */
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/* Quotafile not in fs root? */
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if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
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printk(KERN_WARNING
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"EXT3-fs: Quota file not on filesystem root. "
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"Journalled quota will not work.\n");
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path_put(&nd.path);
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return vfs_quota_on(sb, type, format_id, path);
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return vfs_quota_on(sb, type, format_id, path, remount);
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}
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/* Read data from quotafile - avoid pagecache and such because we cannot afford
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