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authorEric Whitney <enwlinux@gmail.com>2017-07-30 22:30:11 -0400
committerTheodore Ts'o <tytso@mit.edu>2017-07-30 22:30:11 -0400
commita627b0a7c15ee4d2c87a86d5be5c8167382e8d0d (patch)
tree3da42bb94503adce361b00d8dae833c106f8b89a /fs/ext4/ext4.h
parent1e21196c8e3e210cbef130e23e40c4adc3d9ce10 (diff)
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ext4: remove unused metadata accounting variables
Two variables in ext4_inode_info, i_reserved_meta_blocks and i_allocated_meta_blocks, are unused. Removing them saves a little memory per in-memory inode and cleans up clutter in several tracepoints. Adjust tracepoint output from ext4_alloc_da_blocks() for consistency and fix a typo and whitespace near these changes. Signed-off-by: Eric Whitney <enwlinux@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 9ebde0cd632e..dcbcd9d444d1 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -961,7 +961,7 @@ struct ext4_inode_info {
/*
* i_block_group is the number of the block group which contains
* this file's inode. Constant across the lifetime of the inode,
- * it is ued for making block allocation decisions - we try to
+ * it is used for making block allocation decisions - we try to
* place a file's data blocks near its inode block, and new inodes
* near to their parent directory's inode.
*/
@@ -1049,10 +1049,8 @@ struct ext4_inode_info {
ext4_group_t i_last_alloc_group;
/* allocation reservation info for delalloc */
- /* In case of bigalloc, these refer to clusters rather than blocks */
+ /* In case of bigalloc, this refer to clusters rather than blocks */
unsigned int i_reserved_data_blocks;
- unsigned int i_reserved_meta_blocks;
- unsigned int i_allocated_meta_blocks;
ext4_lblk_t i_da_metadata_calc_last_lblock;
int i_da_metadata_calc_len;