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author | Vyacheslav Dubeyko <slava@dubeyko.com> | 2013-07-03 15:08:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:08:01 -0700 |
commit | e5f7f84843154db8b6ef5b2ac5e286f72212f54e (patch) | |
tree | e3d11da3a3b6bb3777998b9bc2919e48d47cddf6 | |
parent | c7ef972c440fc9f1eda28b450cd30ad15c4d60cf (diff) | |
download | op-kernel-dev-e5f7f84843154db8b6ef5b2ac5e286f72212f54e.zip op-kernel-dev-e5f7f84843154db8b6ef5b2ac5e286f72212f54e.tar.gz |
] nilfs2: use atomic64_t type for inodes_count and blocks_count fields in nilfs_root struct
The cp_inodes_count and cp_blocks_count are represented as __le64 type in
on-disk structure (struct nilfs_checkpoint). But analogous fields in
in-core structure (struct nilfs_root) are represented by atomic_t type.
This patch replaces atomic_t on atomic64_t type in representation of
inodes_count and blocks_count fields in struct nilfs_root.
Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Acked-by: Joern Engel <joern@logfs.org>
Cc: Clemens Eisserer <linuxhippy@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | fs/nilfs2/ifile.c | 2 | ||||
-rw-r--r-- | fs/nilfs2/inode.c | 8 | ||||
-rw-r--r-- | fs/nilfs2/segment.c | 4 | ||||
-rw-r--r-- | fs/nilfs2/super.c | 8 | ||||
-rw-r--r-- | fs/nilfs2/the_nilfs.c | 4 | ||||
-rw-r--r-- | fs/nilfs2/the_nilfs.h | 4 |
6 files changed, 16 insertions, 14 deletions
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c index d788a59..6548c78 100644 --- a/fs/nilfs2/ifile.c +++ b/fs/nilfs2/ifile.c @@ -174,7 +174,7 @@ int nilfs_ifile_count_free_inodes(struct inode *ifile, *nmaxinodes = 0; *nfreeinodes = 0; - nused = atomic_read(&NILFS_I(ifile)->i_root->inodes_count); + nused = atomic64_read(&NILFS_I(ifile)->i_root->inodes_count); err = nilfs_palloc_count_max_entries(ifile, nused, nmaxinodes); if (likely(!err)) *nfreeinodes = *nmaxinodes - nused; diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index bccfec8..b1a5277 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -54,7 +54,7 @@ void nilfs_inode_add_blocks(struct inode *inode, int n) inode_add_bytes(inode, (1 << inode->i_blkbits) * n); if (root) - atomic_add(n, &root->blocks_count); + atomic64_add(n, &root->blocks_count); } void nilfs_inode_sub_blocks(struct inode *inode, int n) @@ -63,7 +63,7 @@ void nilfs_inode_sub_blocks(struct inode *inode, int n) inode_sub_bytes(inode, (1 << inode->i_blkbits) * n); if (root) - atomic_sub(n, &root->blocks_count); + atomic64_sub(n, &root->blocks_count); } /** @@ -369,7 +369,7 @@ struct inode *nilfs_new_inode(struct inode *dir, umode_t mode) goto failed_ifile_create_inode; /* reference count of i_bh inherits from nilfs_mdt_read_block() */ - atomic_inc(&root->inodes_count); + atomic64_inc(&root->inodes_count); inode_init_owner(inode, dir, mode); inode->i_ino = ino; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; @@ -801,7 +801,7 @@ void nilfs_evict_inode(struct inode *inode) ret = nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino); if (!ret) - atomic_dec(&ii->i_root->inodes_count); + atomic64_dec(&ii->i_root->inodes_count); nilfs_clear_inode(inode); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index a5752a58..bd88a74 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -835,9 +835,9 @@ static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci) raw_cp->cp_snapshot_list.ssl_next = 0; raw_cp->cp_snapshot_list.ssl_prev = 0; raw_cp->cp_inodes_count = - cpu_to_le64(atomic_read(&sci->sc_root->inodes_count)); + cpu_to_le64(atomic64_read(&sci->sc_root->inodes_count)); raw_cp->cp_blocks_count = - cpu_to_le64(atomic_read(&sci->sc_root->blocks_count)); + cpu_to_le64(atomic64_read(&sci->sc_root->blocks_count)); raw_cp->cp_nblk_inc = cpu_to_le64(sci->sc_nblk_inc + sci->sc_nblk_this_inc); raw_cp->cp_create = cpu_to_le64(sci->sc_seg_ctime); diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 7d257e7..1427de5 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -554,8 +554,10 @@ int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt, if (err) goto failed_bh; - atomic_set(&root->inodes_count, le64_to_cpu(raw_cp->cp_inodes_count)); - atomic_set(&root->blocks_count, le64_to_cpu(raw_cp->cp_blocks_count)); + atomic64_set(&root->inodes_count, + le64_to_cpu(raw_cp->cp_inodes_count)); + atomic64_set(&root->blocks_count, + le64_to_cpu(raw_cp->cp_blocks_count)); nilfs_cpfile_put_checkpoint(nilfs->ns_cpfile, cno, bh_cp); @@ -647,7 +649,7 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf) * curent inodes count as maximum possible and * zero as free inodes value. */ - nmaxinodes = atomic_read(&root->inodes_count); + nmaxinodes = atomic64_read(&root->inodes_count); nfreeinodes = 0; err = 0; } else diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 41e6a04..94c451c 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -764,8 +764,8 @@ nilfs_find_or_create_root(struct the_nilfs *nilfs, __u64 cno) new->ifile = NULL; new->nilfs = nilfs; atomic_set(&new->count, 1); - atomic_set(&new->inodes_count, 0); - atomic_set(&new->blocks_count, 0); + atomic64_set(&new->inodes_count, 0); + atomic64_set(&new->blocks_count, 0); rb_link_node(&new->rb_node, parent, p); rb_insert_color(&new->rb_node, &nilfs->ns_cptree); diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index be1267a..de8cc53 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -241,8 +241,8 @@ struct nilfs_root { struct the_nilfs *nilfs; struct inode *ifile; - atomic_t inodes_count; - atomic_t blocks_count; + atomic64_t inodes_count; + atomic64_t blocks_count; }; /* Special checkpoint number */ |