X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fext4%2Fialloc.c;h=427f83066a0da425b75757c68430768bba7428ea;hb=4acadb965c4aa587aac29a0a91203c4745d6fb4e;hp=4b92066ca08fec76f6ace792b1efc828ec794809;hpb=617ba13b31fbf505cc21799826639ef24ed94af0;p=linux-2.6

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 4b92066ca0..427f83066a 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -14,16 +14,16 @@
 
 #include <linux/time.h>
 #include <linux/fs.h>
-#include <linux/jbd.h>
+#include <linux/jbd2.h>
 #include <linux/ext4_fs.h>
-#include <linux/ext4_jbd.h>
+#include <linux/ext4_jbd2.h>
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/random.h>
 #include <linux/bitops.h>
-
+#include <linux/blkdev.h>
 #include <asm/byteorder.h>
 
 #include "xattr.h"
@@ -60,12 +60,12 @@ read_inode_bitmap(struct super_block * sb, unsigned long block_group)
 	if (!desc)
 		goto error_out;
 
-	bh = sb_bread(sb, le32_to_cpu(desc->bg_inode_bitmap));
+	bh = sb_bread(sb, ext4_inode_bitmap(sb, desc));
 	if (!bh)
 		ext4_error(sb, "read_inode_bitmap",
 			    "Cannot read inode bitmap - "
-			    "block_group = %lu, inode_bitmap = %u",
-			    block_group, le32_to_cpu(desc->bg_inode_bitmap));
+			    "block_group = %lu, inode_bitmap = %llu",
+			    block_group, ext4_inode_bitmap(sb, desc));
 error_out:
 	return bh;
 }
@@ -274,7 +274,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent)
 	freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter);
 	avefreei = freei / ngroups;
 	freeb = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
-	avefreeb = freeb / ngroups;
+	avefreeb = freeb;
+	do_div(avefreeb, ngroups);
 	ndirs = percpu_counter_read_positive(&sbi->s_dirs_counter);
 
 	if ((parent == sb->s_root->d_inode) ||
@@ -303,13 +304,15 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent)
 		goto fallback;
 	}
 
-	blocks_per_dir = (le32_to_cpu(es->s_blocks_count) - freeb) / ndirs;
+	blocks_per_dir = ext4_blocks_count(es) - freeb;
+	do_div(blocks_per_dir, ndirs);
 
 	max_dirs = ndirs / ngroups + inodes_per_group / 16;
 	min_inodes = avefreei - inodes_per_group / 4;
 	min_blocks = avefreeb - EXT4_BLOCKS_PER_GROUP(sb) / 4;
 
-	max_debt = EXT4_BLOCKS_PER_GROUP(sb) / max(blocks_per_dir, (ext4_fsblk_t)BLOCK_COST);
+	max_debt = EXT4_BLOCKS_PER_GROUP(sb);
+	max_debt /= max_t(int, blocks_per_dir, BLOCK_COST);
 	if (max_debt * INODE_COST > inodes_per_group)
 		max_debt = inodes_per_group / INODE_COST;
 	if (max_debt > 255)
@@ -497,7 +500,7 @@ repeat_in_this_group:
 				goto got;
 			}
 			/* we lost it */
-			journal_release_buffer(handle, bitmap_bh);
+			jbd2_journal_release_buffer(handle, bitmap_bh);
 
 			if (++ino < EXT4_INODES_PER_GROUP(sb))
 				goto repeat_in_this_group;
@@ -560,7 +563,8 @@ got:
 	inode->i_ino = ino;
 	/* This is the optimal IO size (for stat), not the fs block size */
 	inode->i_blocks = 0;
-	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
+	inode->i_mtime = inode->i_atime = inode->i_ctime = ei->i_crtime =
+						       ext4_current_time(inode);
 
 	memset(ei->i_data, 0, sizeof(ei->i_data));
 	ei->i_dir_start_lookup = 0;
@@ -592,9 +596,8 @@ got:
 	spin_unlock(&sbi->s_next_gen_lock);
 
 	ei->i_state = EXT4_STATE_NEW;
-	ei->i_extra_isize =
-		(EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) ?
-		sizeof(struct ext4_inode) - EXT4_GOOD_OLD_INODE_SIZE : 0;
+
+	ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
 
 	ret = inode;
 	if(DQUOT_ALLOC_INODE(inode)) {
@@ -615,6 +618,17 @@ got:
 		ext4_std_error(sb, err);
 		goto fail_free_drop;
 	}
+	if (test_opt(sb, EXTENTS)) {
+		EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL;
+		ext4_ext_tree_init(handle, inode);
+		if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
+			err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
+			if (err) goto fail;
+			EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS);
+			BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "call ext4_journal_dirty_metadata");
+			err = ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh);
+		}
+	}
 
 	ext4_debug("allocating inode %lu\n", inode->i_ino);
 	goto really_out;