* Note: we must free any quota before locking the superblock,
* as writing the quota to disk may need the lock as well.
*/
- DQUOT_INIT(inode);
+ vfs_dq_init(inode);
ext3_xattr_delete_inode(handle, inode);
- DQUOT_FREE_INODE(inode);
- DQUOT_DROP(inode);
+ vfs_dq_free_inode(inode);
+ vfs_dq_drop(inode);
is_directory = S_ISDIR(inode->i_mode);
if (gdp) {
spin_lock(sb_bgl_lock(sbi, block_group));
- gdp->bg_free_inodes_count = cpu_to_le16(
- le16_to_cpu(gdp->bg_free_inodes_count) + 1);
+ le16_add_cpu(&gdp->bg_free_inodes_count, 1);
if (is_directory)
- gdp->bg_used_dirs_count = cpu_to_le16(
- le16_to_cpu(gdp->bg_used_dirs_count) - 1);
+ le16_add_cpu(&gdp->bg_used_dirs_count, -1);
spin_unlock(sb_bgl_lock(sbi, block_group));
percpu_counter_inc(&sbi->s_freeinodes_counter);
if (is_directory)
err = ext3_journal_dirty_metadata(handle, bitmap_bh);
if (!fatal)
fatal = err;
- sb->s_dirt = 1;
+
error_return:
brelse(bitmap_bh);
ext3_std_error(sb, fatal);
static int find_group_dir(struct super_block *sb, struct inode *parent)
{
int ngroups = EXT3_SB(sb)->s_groups_count;
- int freei, avefreei;
+ unsigned int freei, avefreei;
struct ext3_group_desc *desc, *best_desc = NULL;
- struct buffer_head *bh;
int group, best_group = -1;
freei = percpu_counter_read_positive(&EXT3_SB(sb)->s_freeinodes_counter);
avefreei = freei / ngroups;
for (group = 0; group < ngroups; group++) {
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (!desc || !desc->bg_free_inodes_count)
continue;
if (le16_to_cpu(desc->bg_free_inodes_count) < avefreei)
continue;
- if (!best_desc ||
+ if (!best_desc ||
(le16_to_cpu(desc->bg_free_blocks_count) >
le16_to_cpu(best_desc->bg_free_blocks_count))) {
best_group = group;
return best_group;
}
-/*
- * Orlov's allocator for directories.
- *
+/*
+ * Orlov's allocator for directories.
+ *
* We always try to spread first-level directories.
*
- * If there are blockgroups with both free inodes and free blocks counts
- * not worse than average we return one with smallest directory count.
- * Otherwise we simply return a random group.
- *
- * For the rest rules look so:
- *
- * It's OK to put directory into a group unless
- * it has too many directories already (max_dirs) or
- * it has too few free inodes left (min_inodes) or
- * it has too few free blocks left (min_blocks) or
- * it's already running too large debt (max_debt).
- * Parent's group is prefered, if it doesn't satisfy these
- * conditions we search cyclically through the rest. If none
- * of the groups look good we just look for a group with more
- * free inodes than average (starting at parent's group).
- *
- * Debt is incremented each time we allocate a directory and decremented
- * when we allocate an inode, within 0--255.
- */
+ * If there are blockgroups with both free inodes and free blocks counts
+ * not worse than average we return one with smallest directory count.
+ * Otherwise we simply return a random group.
+ *
+ * For the rest rules look so:
+ *
+ * It's OK to put directory into a group unless
+ * it has too many directories already (max_dirs) or
+ * it has too few free inodes left (min_inodes) or
+ * it has too few free blocks left (min_blocks) or
+ * it's already running too large debt (max_debt).
+ * Parent's group is preferred, if it doesn't satisfy these
+ * conditions we search cyclically through the rest. If none
+ * of the groups look good we just look for a group with more
+ * free inodes than average (starting at parent's group).
+ *
+ * Debt is incremented each time we allocate a directory and decremented
+ * when we allocate an inode, within 0--255.
+ */
#define INODE_COST 64
#define BLOCK_COST 256
struct ext3_super_block *es = sbi->s_es;
int ngroups = sbi->s_groups_count;
int inodes_per_group = EXT3_INODES_PER_GROUP(sb);
- int freei, avefreei;
+ unsigned int freei, avefreei;
ext3_fsblk_t freeb, avefreeb;
ext3_fsblk_t blocks_per_dir;
- int ndirs;
+ unsigned int ndirs;
int max_debt, max_dirs, min_inodes;
ext3_grpblk_t min_blocks;
int group = -1, i;
struct ext3_group_desc *desc;
- struct buffer_head *bh;
freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter);
avefreei = freei / ngroups;
parent_group = (unsigned)group % ngroups;
for (i = 0; i < ngroups; i++) {
group = (parent_group + i) % ngroups;
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (!desc || !desc->bg_free_inodes_count)
continue;
if (le16_to_cpu(desc->bg_used_dirs_count) >= best_ndir)
for (i = 0; i < ngroups; i++) {
group = (parent_group + i) % ngroups;
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (!desc || !desc->bg_free_inodes_count)
continue;
if (le16_to_cpu(desc->bg_used_dirs_count) >= max_dirs)
fallback:
for (i = 0; i < ngroups; i++) {
group = (parent_group + i) % ngroups;
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (!desc || !desc->bg_free_inodes_count)
continue;
if (le16_to_cpu(desc->bg_free_inodes_count) >= avefreei)
int parent_group = EXT3_I(parent)->i_block_group;
int ngroups = EXT3_SB(sb)->s_groups_count;
struct ext3_group_desc *desc;
- struct buffer_head *bh;
int group, i;
/*
* Try to place the inode in its parent directory
*/
group = parent_group;
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (desc && le16_to_cpu(desc->bg_free_inodes_count) &&
le16_to_cpu(desc->bg_free_blocks_count))
return group;
group += i;
if (group >= ngroups)
group -= ngroups;
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (desc && le16_to_cpu(desc->bg_free_inodes_count) &&
le16_to_cpu(desc->bg_free_blocks_count))
return group;
for (i = 0; i < ngroups; i++) {
if (++group >= ngroups)
group = 0;
- desc = ext3_get_group_desc (sb, group, &bh);
+ desc = ext3_get_group_desc (sb, group, NULL);
if (desc && le16_to_cpu(desc->bg_free_inodes_count))
return group;
}
group = find_group_dir(sb, dir);
else
group = find_group_orlov(sb, dir);
- } else
+ } else
group = find_group_other(sb, dir);
err = -ENOSPC;
err = ext3_journal_get_write_access(handle, bh2);
if (err) goto fail;
spin_lock(sb_bgl_lock(sbi, group));
- gdp->bg_free_inodes_count =
- cpu_to_le16(le16_to_cpu(gdp->bg_free_inodes_count) - 1);
+ le16_add_cpu(&gdp->bg_free_inodes_count, -1);
if (S_ISDIR(mode)) {
- gdp->bg_used_dirs_count =
- cpu_to_le16(le16_to_cpu(gdp->bg_used_dirs_count) + 1);
+ le16_add_cpu(&gdp->bg_used_dirs_count, 1);
}
spin_unlock(sb_bgl_lock(sbi, group));
BUFFER_TRACE(bh2, "call ext3_journal_dirty_metadata");
percpu_counter_dec(&sbi->s_freeinodes_counter);
if (S_ISDIR(mode))
percpu_counter_inc(&sbi->s_dirs_counter);
- sb->s_dirt = 1;
- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (test_opt (sb, GRPID))
inode->i_gid = dir->i_gid;
else if (dir->i_mode & S_ISGID) {
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();
inode->i_mode = mode;
inode->i_ino = ino;
/* This is the optimal IO size (for stat), not the fs block size */
- inode->i_blksize = PAGE_SIZE;
inode->i_blocks = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
ei->i_dir_start_lookup = 0;
ei->i_disksize = 0;
- ei->i_flags = EXT3_I(dir)->i_flags & ~EXT3_INDEX_FL;
- if (S_ISLNK(mode))
- ei->i_flags &= ~(EXT3_IMMUTABLE_FL|EXT3_APPEND_FL);
- /* dirsync only applies to directories */
- if (!S_ISDIR(mode))
- ei->i_flags &= ~EXT3_DIRSYNC_FL;
+ ei->i_flags =
+ ext3_mask_flags(mode, EXT3_I(dir)->i_flags & EXT3_FL_INHERITED);
#ifdef EXT3_FRAGMENTS
ei->i_faddr = 0;
ei->i_frag_no = 0;
ext3_set_inode_flags(inode);
if (IS_DIRSYNC(inode))
handle->h_sync = 1;
- insert_inode_hash(inode);
+ if (insert_inode_locked(inode) < 0) {
+ err = -EINVAL;
+ goto fail_drop;
+ }
spin_lock(&sbi->s_next_gen_lock);
inode->i_generation = sbi->s_next_generation++;
spin_unlock(&sbi->s_next_gen_lock);
sizeof(struct ext3_inode) - EXT3_GOOD_OLD_INODE_SIZE : 0;
ret = inode;
- if(DQUOT_ALLOC_INODE(inode)) {
+ if (vfs_dq_alloc_inode(inode)) {
err = -EDQUOT;
goto fail_drop;
}
return ret;
fail_free_drop:
- DQUOT_FREE_INODE(inode);
+ vfs_dq_free_inode(inode);
fail_drop:
- DQUOT_DROP(inode);
+ vfs_dq_drop(inode);
inode->i_flags |= S_NOQUOTA;
inode->i_nlink = 0;
+ unlock_new_inode(inode);
iput(inode);
brelse(bitmap_bh);
return ERR_PTR(err);
unsigned long max_ino = le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count);
unsigned long block_group;
int bit;
- struct buffer_head *bitmap_bh = NULL;
+ struct buffer_head *bitmap_bh;
struct inode *inode = NULL;
+ long err = -EIO;
/* Error cases - e2fsck has already cleaned up for us */
if (ino > max_ino) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"bad orphan ino %lu! e2fsck was run?", ino);
- goto out;
+ goto error;
}
block_group = (ino - 1) / EXT3_INODES_PER_GROUP(sb);
bit = (ino - 1) % EXT3_INODES_PER_GROUP(sb);
bitmap_bh = read_inode_bitmap(sb, block_group);
if (!bitmap_bh) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"inode bitmap error for orphan %lu", ino);
- goto out;
+ goto error;
}
/* Having the inode bit set should be a 100% indicator that this
* is a valid orphan (no e2fsck run on fs). Orphans also include
* inodes that were being truncated, so we can't check i_nlink==0.
*/
- if (!ext3_test_bit(bit, bitmap_bh->b_data) ||
- !(inode = iget(sb, ino)) || is_bad_inode(inode) ||
- NEXT_ORPHAN(inode) > max_ino) {
- ext3_warning(sb, __FUNCTION__,
- "bad orphan inode %lu! e2fsck was run?", ino);
- printk(KERN_NOTICE "ext3_test_bit(bit=%d, block=%llu) = %d\n",
- bit, (unsigned long long)bitmap_bh->b_blocknr,
- ext3_test_bit(bit, bitmap_bh->b_data));
- printk(KERN_NOTICE "inode=%p\n", inode);
- if (inode) {
- printk(KERN_NOTICE "is_bad_inode(inode)=%d\n",
- is_bad_inode(inode));
- printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%u\n",
- NEXT_ORPHAN(inode));
- printk(KERN_NOTICE "max_ino=%lu\n", max_ino);
- }
+ if (!ext3_test_bit(bit, bitmap_bh->b_data))
+ goto bad_orphan;
+
+ inode = ext3_iget(sb, ino);
+ if (IS_ERR(inode))
+ goto iget_failed;
+
+ /*
+ * If the orphans has i_nlinks > 0 then it should be able to be
+ * truncated, otherwise it won't be removed from the orphan list
+ * during processing and an infinite loop will result.
+ */
+ if (inode->i_nlink && !ext3_can_truncate(inode))
+ goto bad_orphan;
+
+ if (NEXT_ORPHAN(inode) > max_ino)
+ goto bad_orphan;
+ brelse(bitmap_bh);
+ return inode;
+
+iget_failed:
+ err = PTR_ERR(inode);
+ inode = NULL;
+bad_orphan:
+ ext3_warning(sb, __func__,
+ "bad orphan inode %lu! e2fsck was run?", ino);
+ printk(KERN_NOTICE "ext3_test_bit(bit=%d, block=%llu) = %d\n",
+ bit, (unsigned long long)bitmap_bh->b_blocknr,
+ ext3_test_bit(bit, bitmap_bh->b_data));
+ printk(KERN_NOTICE "inode=%p\n", inode);
+ if (inode) {
+ printk(KERN_NOTICE "is_bad_inode(inode)=%d\n",
+ is_bad_inode(inode));
+ printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%u\n",
+ NEXT_ORPHAN(inode));
+ printk(KERN_NOTICE "max_ino=%lu\n", max_ino);
+ printk(KERN_NOTICE "i_nlink=%u\n", inode->i_nlink);
/* Avoid freeing blocks if we got a bad deleted inode */
- if (inode && inode->i_nlink == 0)
+ if (inode->i_nlink == 0)
inode->i_blocks = 0;
iput(inode);
- inode = NULL;
}
-out:
brelse(bitmap_bh);
- return inode;
+error:
+ return ERR_PTR(err);
}
unsigned long ext3_count_free_inodes (struct super_block * sb)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff