lkml.org 
[lkml]   [2017]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] f2fs: reserve nid resource for quota sysfile
Date
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>
---
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
\
 
 \ /
  Last update: 2017-11-16 10:00    [W:0.024 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site