xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Código Issues Pull requests Ações Pacotes Projetos Versões Wiki Atividade

nilfs2: move s_inode_lock and s_dirty_files into nilfs object

Ver código fonte 
Moves s_inode_lock spinlock and s_dirty_files list to nilfs object
from nilfs_sb_info structure.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Esse commit está contido em:
Ryusuke Konishi
2011-03-09 11:05:07 +09:00
pai 574e6c3145
commit 693dd32122
6 arquivos alterados com 63 adições e 61 exclusões
Baixar arquivo de patch Baixar arquivo de diferenças Expandir todos os arquivos Colapsar todos os arquivos

30
fs/nilfs2/inode.c
Ver arquivo

@@ -807,18 +807,18 @@ int nilfs_permission(struct inode *inode, int mask, unsigned int flags)
int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh)
{
struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb);
struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
struct nilfs_inode_info *ii = NILFS_I(inode);
int err;
spin_lock(&sbi->s_inode_lock);
spin_lock(&nilfs->ns_inode_lock);
if (ii->i_bh == NULL) {
spin_unlock(&sbi->s_inode_lock);
spin_unlock(&nilfs->ns_inode_lock);
err = nilfs_ifile_get_inode_block(ii->i_root->ifile,
inode->i_ino, pbh);
if (unlikely(err))
return err;
spin_lock(&sbi->s_inode_lock);
spin_lock(&nilfs->ns_inode_lock);
if (ii->i_bh == NULL)
ii->i_bh = *pbh;
else {
@@ -829,36 +829,36 @@ int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh)
*pbh = ii->i_bh;
get_bh(*pbh);
spin_unlock(&sbi->s_inode_lock);
spin_unlock(&nilfs->ns_inode_lock);
return 0;
}
int nilfs_inode_dirty(struct inode *inode)
{
struct nilfs_inode_info *ii = NILFS_I(inode);
struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb);
struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
int ret = 0;
if (!list_empty(&ii->i_dirty)) {
spin_lock(&sbi->s_inode_lock);
spin_lock(&nilfs->ns_inode_lock);
ret = test_bit(NILFS_I_DIRTY, &ii->i_state) ||
test_bit(NILFS_I_BUSY, &ii->i_state);
spin_unlock(&sbi->s_inode_lock);
spin_unlock(&nilfs->ns_inode_lock);
}
return ret;
}
int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty)
{
struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb);
struct nilfs_inode_info *ii = NILFS_I(inode);
struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
atomic_add(nr_dirty, &sbi->s_nilfs->ns_ndirtyblks);
atomic_add(nr_dirty, &nilfs->ns_ndirtyblks);
if (test_and_set_bit(NILFS_I_DIRTY, &ii->i_state))
return 0;
spin_lock(&sbi->s_inode_lock);
spin_lock(&nilfs->ns_inode_lock);
if (!test_bit(NILFS_I_QUEUED, &ii->i_state) &&
!test_bit(NILFS_I_BUSY, &ii->i_state)) {
/* Because this routine may race with nilfs_dispose_list(),
@@ -866,18 +866,18 @@ int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty)
if (list_empty(&ii->i_dirty) && igrab(inode) == NULL) {
/* This will happen when somebody is freeing
this inode. */
nilfs_warning(sbi->s_super, __func__,
nilfs_warning(inode->i_sb, __func__,
"cannot get inode (ino=%lu)\n",
inode->i_ino);
spin_unlock(&sbi->s_inode_lock);
spin_unlock(&nilfs->ns_inode_lock);
return -EINVAL; /* NILFS_I_DIRTY may remain for
freeing inode */
}
list_del(&ii->i_dirty);
list_add_tail(&ii->i_dirty, &sbi->s_dirty_files);
list_add_tail(&ii->i_dirty, &nilfs->ns_dirty_files);
set_bit(NILFS_I_QUEUED, &ii->i_state);
}
spin_unlock(&sbi->s_inode_lock);
spin_unlock(&nilfs->ns_inode_lock);
return 0;
}