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

Signed-off-by: Chao Yu <yuch...@huawei.com>
---
 fs/f2fs/debug.c |  9 +--------
 fs/f2fs/f2fs.h  |  2 ++
 fs/f2fs/node.c  |  2 +-
 fs/f2fs/super.c | 10 +++++++++-
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index ecada8425268..4d929627e210 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -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);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ca6b0c9bc621..70a982435960 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1103,6 +1103,8 @@ 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 */
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index fe1fc662af2a..64c9b9050c4c 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2680,7 +2680,7 @@ 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;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 031cb26a3a76..1df28b508c3e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1008,7 +1008,8 @@ 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;
@@ -2467,6 +2468,13 @@ static int f2fs_fill_super(struct super_block *sb, void 
*data, int silent)
        else
                sb->s_qcop = &f2fs_quotactl_ops;
        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
 
        sb->s_op = &f2fs_sops;
-- 
2.15.0.55.gc2ece9dc4de6


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