* [-mm patch] remove fs/ext2/balloc.c:reserve_blocks()
[not found] <20070809224254.11f42716.akpm@linux-foundation.org>
@ 2007-08-14 21:25 ` Adrian Bunk
0 siblings, 0 replies; only message in thread
From: Adrian Bunk @ 2007-08-14 21:25 UTC (permalink / raw)
To: Andrew Morton, Martin J. Bligh, Valerie Henson; +Cc: linux-kernel, linux-ext4
reserve_blocks() is no longer used.
Spotted by the GNU C compiler.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
---
fs/ext2/balloc.c | 35 -----------------------------------
1 file changed, 35 deletions(-)
4b64502ecee91af41888261d7392688c9283792f
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 1c57a3f..b63f6a4 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -133,41 +133,6 @@ error_out:
return NULL;
}
-/*
- * Set sb->s_dirt here because the superblock was "logically" altered. We
- * need to recalculate its free blocks count and flush it out.
- */
-static int reserve_blocks(struct super_block *sb, int count)
-{
- struct ext2_sb_info *sbi = EXT2_SB(sb);
- struct ext2_super_block *es = sbi->s_es;
- unsigned free_blocks;
- unsigned root_blocks;
-
- free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
- root_blocks = le32_to_cpu(es->s_r_blocks_count);
-
- if (free_blocks < count)
- count = free_blocks;
-
- if (free_blocks < root_blocks + count && !capable(CAP_SYS_RESOURCE) &&
- sbi->s_resuid != current->fsuid &&
- (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
- /*
- * We are too close to reserve and we are not privileged.
- * Can we allocate anything at all?
- */
- if (free_blocks > root_blocks)
- count = free_blocks - root_blocks;
- else
- return 0;
- }
-
- percpu_counter_mod(&sbi->s_freeblocks_counter, -count);
- sb->s_dirt = 1;
- return count;
-}
-
static void release_blocks(struct super_block *sb, int count)
{
if (count) {
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