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Commit 5321a23c authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
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f2fs: reserve nid resource for quota sysfile 



During mkfs, quota sysfiles have already occupied nid resource,
it needs to adjust remaining available nid count in kernel side.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent f73a1ef7

fs/f2fs/debug.c

+1 −8
Original line number Diff line number Diff line
@@ -49,14 +49,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) 
	si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA);

	si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];

	si->ndirty_files = sbi->ndirty_inode[FILE_INODE];



	si->nquota_files = 0;

	if (f2fs_sb_has_quota_ino(sbi->sb)) {

		for (i = 0; i < MAXQUOTAS; i++) {

			if (f2fs_qf_ino(sbi->sb, i))

				si->nquota_files++;

		}

	}

	si->nquota_files = sbi->nquota_files;

	si->ndirty_all = sbi->ndirty_inode[DIRTY_META];

	si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);

	si->aw_cnt = atomic_read(&sbi->aw_cnt);

fs/f2fs/f2fs.h

+2 −0
Original line number Diff line number Diff line
@@ -1199,6 +1199,8 @@ struct f2fs_sb_info { 
	block_t reserved_blocks;		/* configurable reserved blocks */

	block_t current_reserved_blocks;	/* current reserved blocks */



	unsigned int nquota_files;		/* # of quota sysfile */



	u32 s_next_generation;			/* for NFS support */



	/* # of pages, see count_type */

fs/f2fs/node.c

+1 −1
Original line number Diff line number Diff line
@@ -2684,7 +2684,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) 


	/* not used nids: 0, node, meta, (and root counted as valid node) */

	nm_i->available_nids = nm_i->max_nid - sbi->total_valid_node_count -

							F2FS_RESERVED_NODE_NUM;

				sbi->nquota_files - F2FS_RESERVED_NODE_NUM;

	nm_i->nid_cnt[FREE_NID] = 0;

	nm_i->nid_cnt[PREALLOC_NID] = 0;

	nm_i->nat_cnt = 0;

fs/f2fs/super.c

+9 −1
Original line number Diff line number Diff line
@@ -1024,7 +1024,8 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) 
	buf->f_bavail = user_block_count - valid_user_blocks(sbi) -

						sbi->current_reserved_blocks;



	avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;

	avail_node_count = sbi->total_node_count - sbi->nquota_files -

						F2FS_RESERVED_NODE_NUM;



	if (avail_node_count > user_block_count) {

		buf->f_files = user_block_count;
@@ -2517,6 +2518,13 @@ try_onemore: 
		sb->s_qcop = &f2fs_quotactl_ops;

#if 0	/* not support */

	sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ;



	if (f2fs_sb_has_quota_ino(sbi->sb)) {

		for (i = 0; i < MAXQUOTAS; i++) {

			if (f2fs_qf_ino(sbi->sb, i))

				sbi->nquota_files++;

		}

	}

#endif

#endif