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Diffstat (limited to 'fs/nilfs2/inode.c')
-rw-r--r--fs/nilfs2/inode.c83
1 files changed, 49 insertions, 34 deletions
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 2fd440d8d6b8..d5625be236a8 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -41,6 +41,24 @@ struct nilfs_iget_args {
int for_gc;
};
+void nilfs_inode_add_blocks(struct inode *inode, int n)
+{
+ struct nilfs_root *root = NILFS_I(inode)->i_root;
+
+ inode_add_bytes(inode, (1 << inode->i_blkbits) * n);
+ if (root)
+ atomic_add(n, &root->blocks_count);
+}
+
+void nilfs_inode_sub_blocks(struct inode *inode, int n)
+{
+ struct nilfs_root *root = NILFS_I(inode)->i_root;
+
+ inode_sub_bytes(inode, (1 << inode->i_blkbits) * n);
+ if (root)
+ atomic_sub(n, &root->blocks_count);
+}
+
/**
* nilfs_get_block() - get a file block on the filesystem (callback function)
* @inode - inode struct of the target file
@@ -277,7 +295,7 @@ const struct address_space_operations nilfs_aops = {
struct inode *nilfs_new_inode(struct inode *dir, int mode)
{
struct super_block *sb = dir->i_sb;
- struct nilfs_sb_info *sbi = NILFS_SB(sb);
+ struct the_nilfs *nilfs = sb->s_fs_info;
struct inode *inode;
struct nilfs_inode_info *ii;
struct nilfs_root *root;
@@ -315,19 +333,16 @@ struct inode *nilfs_new_inode(struct inode *dir, int mode)
/* No lock is needed; iget() ensures it. */
}
- ii->i_flags = NILFS_I(dir)->i_flags;
- if (S_ISLNK(mode))
- ii->i_flags &= ~(NILFS_IMMUTABLE_FL | NILFS_APPEND_FL);
- if (!S_ISDIR(mode))
- ii->i_flags &= ~NILFS_DIRSYNC_FL;
+ ii->i_flags = nilfs_mask_flags(
+ mode, NILFS_I(dir)->i_flags & NILFS_FL_INHERITED);
/* ii->i_file_acl = 0; */
/* ii->i_dir_acl = 0; */
ii->i_dir_start_lookup = 0;
nilfs_set_inode_flags(inode);
- spin_lock(&sbi->s_next_gen_lock);
- inode->i_generation = sbi->s_next_generation++;
- spin_unlock(&sbi->s_next_gen_lock);
+ spin_lock(&nilfs->ns_next_gen_lock);
+ inode->i_generation = nilfs->ns_next_generation++;
+ spin_unlock(&nilfs->ns_next_gen_lock);
insert_inode_hash(inode);
err = nilfs_init_acl(inode, dir);
@@ -359,17 +374,15 @@ void nilfs_set_inode_flags(struct inode *inode)
inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME |
S_DIRSYNC);
- if (flags & NILFS_SYNC_FL)
+ if (flags & FS_SYNC_FL)
inode->i_flags |= S_SYNC;
- if (flags & NILFS_APPEND_FL)
+ if (flags & FS_APPEND_FL)
inode->i_flags |= S_APPEND;
- if (flags & NILFS_IMMUTABLE_FL)
+ if (flags & FS_IMMUTABLE_FL)
inode->i_flags |= S_IMMUTABLE;
-#ifndef NILFS_ATIME_DISABLE
- if (flags & NILFS_NOATIME_FL)
-#endif
+ if (flags & FS_NOATIME_FL)
inode->i_flags |= S_NOATIME;
- if (flags & NILFS_DIRSYNC_FL)
+ if (flags & FS_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
mapping_set_gfp_mask(inode->i_mapping,
mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
@@ -420,7 +433,7 @@ static int __nilfs_read_inode(struct super_block *sb,
struct nilfs_root *root, unsigned long ino,
struct inode *inode)
{
- struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs;
+ struct the_nilfs *nilfs = sb->s_fs_info;
struct buffer_head *bh;
struct nilfs_inode *raw_inode;
int err;
@@ -707,6 +720,7 @@ void nilfs_evict_inode(struct inode *inode)
struct nilfs_transaction_info ti;
struct super_block *sb = inode->i_sb;
struct nilfs_inode_info *ii = NILFS_I(inode);
+ int ret;
if (inode->i_nlink || !ii->i_root || unlikely(is_bad_inode(inode))) {
if (inode->i_data.nrpages)
@@ -725,8 +739,9 @@ void nilfs_evict_inode(struct inode *inode)
nilfs_mark_inode_dirty(inode);
end_writeback(inode);
- nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino);
- atomic_dec(&ii->i_root->inodes_count);
+ ret = nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino);
+ if (!ret)
+ atomic_dec(&ii->i_root->inodes_count);
nilfs_clear_inode(inode);
@@ -792,18 +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 = inode->i_sb->s_fs_info;
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 {
@@ -814,36 +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 = inode->i_sb->s_fs_info;
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 = inode->i_sb->s_fs_info;
- 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(),
@@ -851,18 +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;
}