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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: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2017-11-16 16:59:14 +08:00 committed by Jaegeuk Kim
parent ace52288ed
commit 292c196a36
4 changed files with 13 additions and 10 deletions
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9
fs/f2fs/debug.c
View File

@ -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);

2
fs/f2fs/f2fs.h
View File

@ -1101,6 +1101,8 @@ 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 */

2
fs/f2fs/node.c
View File

@ -2661,7 +2661,7 @@ 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;

10
fs/f2fs/super.c
View File

@ -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;
@ -2462,6 +2463,13 @@ try_onemore:
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;