ima: ecryptfs fix imbalance message

[safe/jmp/linux-2.6] / fs / ext2 / balloc.c

diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index e7b2baf..7f8d2e5 100644 (file)
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -106,7 +106,7 @@ static int ext2_valid_block_bitmap(struct super_block *sb,
                return 1;
 
 err_out:
-       ext2_error(sb, __FUNCTION__,
+       ext2_error(sb, __func__,
                        "Invalid block bitmap - "
                        "block_group = %d, block = %lu",
                        block_group, bitmap_blk);
@@ -132,7 +132,7 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
        bitmap_blk = le32_to_cpu(desc->bg_block_bitmap);
        bh = sb_getblk(sb, bitmap_blk);
        if (unlikely(!bh)) {
-               ext2_error(sb, __FUNCTION__,
+               ext2_error(sb, __func__,
                            "Cannot read block bitmap - "
                            "block_group = %d, block_bitmap = %u",
                            block_group, le32_to_cpu(desc->bg_block_bitmap));
@@ -143,17 +143,18 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
 
        if (bh_submit_read(bh) < 0) {
                brelse(bh);
-               ext2_error(sb, __FUNCTION__,
+               ext2_error(sb, __func__,
                            "Cannot read block bitmap - "
                            "block_group = %d, block_bitmap = %u",
                            block_group, le32_to_cpu(desc->bg_block_bitmap));
                return NULL;
        }
-       if (!ext2_valid_block_bitmap(sb, desc, block_group, bh)) {
-               brelse(bh);
-               return NULL;
-       }
 
+       ext2_valid_block_bitmap(sb, desc, block_group, bh);
+       /*
+        * file system mounted not to panic on error, continue with corrupt
+        * bitmap
+        */
        return bh;
 }
 
@@ -245,11 +246,10 @@ restart:
                prev = rsv;
        }
        printk("Window map complete.\n");
-       if (bad)
-               BUG();
+       BUG_ON(bad);
 }
 #define rsv_window_dump(root, verbose) \
-       __rsv_window_dump((root), (verbose), __FUNCTION__)
+       __rsv_window_dump((root), (verbose), __func__)
 #else
 #define rsv_window_dump(root, verbose) do {} while (0)
 #endif
@@ -548,7 +548,7 @@ do_more:
        for (i = 0, group_freed = 0; i < count; i++) {
                if (!ext2_clear_bit_atomic(sb_bgl_lock(sbi, block_group),
                                                bit + i, bitmap_bh->b_data)) {
-                       ext2_error(sb, __FUNCTION__,
+                       ext2_error(sb, __func__,
                                "bit already cleared for block %lu", block + i);
                } else {
                        group_freed++;
@@ -570,7 +570,7 @@ do_more:
 error_return:
        brelse(bitmap_bh);
        release_blocks(sb, freed);
-       DQUOT_FREE_BLOCK(inode, freed);
+       vfs_dq_free_block(inode, freed);
 }
 
 /**
@@ -1193,7 +1193,7 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi)
        free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
        root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
        if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-               sbi->s_resuid != current->fsuid &&
+               sbi->s_resuid != current_fsuid() &&
                (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
                return 0;
        }
@@ -1247,7 +1247,7 @@ ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal,
        /*
         * Check quota for allocation of this block.
         */
-       if (DQUOT_ALLOC_BLOCK(inode, num)) {
+       if (vfs_dq_alloc_block(inode, num)) {
                *errp = -EDQUOT;
                return 0;
        }
@@ -1295,6 +1295,7 @@ retry_alloc:
         * turn off reservation for this allocation
         */
        if (my_rsv && (free_blocks < windowsz)
+               && (free_blocks > 0)
                && (rsv_is_empty(&my_rsv->rsv_window)))
                my_rsv = NULL;
 
@@ -1332,7 +1333,7 @@ retry_alloc:
                 * free blocks is less than half of the reservation
                 * window size.
                 */
-               if (free_blocks <= (windowsz/2))
+               if (my_rsv && (free_blocks <= (windowsz/2)))
                        continue;
 
                brelse(bitmap_bh);
@@ -1381,7 +1382,12 @@ allocated:
                            "Allocating block in system zone - "
                            "blocks from "E2FSBLK", length %lu",
                            ret_block, num);
-               goto out;
+               /*
+                * ext2_try_to_allocate marked the blocks we allocated as in
+                * use.  So we may want to selectively mark some of the blocks
+                * as free
+                */
+               goto retry_alloc;
        }
 
        performed_allocation = 1;
@@ -1403,7 +1409,7 @@ allocated:
 
        *errp = 0;
        brelse(bitmap_bh);
-       DQUOT_FREE_BLOCK(inode, *count-num);
+       vfs_dq_free_block(inode, *count-num);
        *count = num;
        return ret_block;
 
@@ -1414,7 +1420,7 @@ out:
         * Undo the block allocation
         */
        if (!performed_allocation)
-               DQUOT_FREE_BLOCK(inode, *count);
+               vfs_dq_free_block(inode, *count);
        brelse(bitmap_bh);
        return 0;
 }