AcoSail/kernel_optimize_test
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- Fix some clang/smatch/sparse warnings about uninitialized variables.
 - Clean up some typedef usage.
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Merge tag 'xfs-5.1-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs cleanups from Darrick Wong:
 "Here's a few more cleanups that trickled in for the merge window.

  It's all fixes for static checker complaints and slowly unwinding
  typedef usage. The four patches here have gone through a few days
  worth of fstest runs with no new problems observed.

  Summary:

   - Fix some clang/smatch/sparse warnings about uninitialized
     variables.

   - Clean up some typedef usage"

* tag 'xfs-5.1-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: clean up xfs_dir2_leaf_addname
  xfs: zero initialize highstale and lowstale in xfs_dir2_leaf_addname
  xfs: clean up xfs_dir2_leafn_add
  xfs: Zero initialize highstale and lowstale in xfs_dir2_leafn_add
This commit is contained in:
Linus Torvalds 2019-03-15 13:55:30 -07:00
commit de578188ed
2 changed files with 25 additions and 30 deletions
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37
fs/xfs/libxfs/xfs_dir2_leaf.c
View File

@ -563,43 +563,40 @@ xfs_dir3_leaf_find_entry(
*/
int /* error */
xfs_dir2_leaf_addname(
xfs_da_args_t *args) /* operation arguments */
struct xfs_da_args *args) /* operation arguments */
{
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_trans *tp = args->trans;
__be16 *bestsp; /* freespace table in leaf */
int compact; /* need to compact leaves */
xfs_dir2_data_hdr_t *hdr; /* data block header */
__be16 *tagp; /* end of data entry */
struct xfs_buf *dbp; /* data block buffer */
xfs_dir2_data_entry_t *dep; /* data block entry */
xfs_inode_t *dp; /* incore directory inode */
xfs_dir2_data_unused_t *dup; /* data unused entry */
struct xfs_buf *lbp; /* leaf's buffer */
struct xfs_dir2_leaf *leaf; /* leaf structure */
struct xfs_inode *dp = args->dp; /* incore directory inode */
struct xfs_dir2_data_hdr *hdr; /* data block header */
struct xfs_dir2_data_entry *dep; /* data block entry */
struct xfs_dir2_leaf_entry *lep; /* leaf entry table pointer */
struct xfs_dir2_leaf_entry *ents;
struct xfs_dir2_data_unused *dup; /* data unused entry */
struct xfs_dir2_leaf_tail *ltp; /* leaf tail pointer */
struct xfs_dir2_data_free *bf; /* bestfree table */
int compact; /* need to compact leaves */
int error; /* error return value */
int grown; /* allocated new data block */
int highstale; /* index of next stale leaf */
int highstale = 0; /* index of next stale leaf */
int i; /* temporary, index */
int index; /* leaf table position */
struct xfs_buf *lbp; /* leaf's buffer */
xfs_dir2_leaf_t *leaf; /* leaf structure */
int length; /* length of new entry */
xfs_dir2_leaf_entry_t *lep; /* leaf entry table pointer */
int lfloglow; /* low leaf logging index */
int lfloghigh; /* high leaf logging index */
int lowstale; /* index of prev stale leaf */
xfs_dir2_leaf_tail_t *ltp; /* leaf tail pointer */
int lowstale = 0; /* index of prev stale leaf */
int needbytes; /* leaf block bytes needed */
int needlog; /* need to log data header */
int needscan; /* need to rescan data free */
__be16 *tagp; /* end of data entry */
xfs_trans_t *tp; /* transaction pointer */
xfs_dir2_db_t use_block; /* data block number */
struct xfs_dir2_data_free *bf; /* bestfree table */
struct xfs_dir2_leaf_entry *ents;
struct xfs_dir3_icleaf_hdr leafhdr;
trace_xfs_dir2_leaf_addname(args);
dp = args->dp;
tp = args->trans;
error = xfs_dir3_leaf_read(tp, dp, args->geo->leafblk, -1, &lbp);
if (error)
return error;

18
fs/xfs/libxfs/xfs_dir2_node.c
View File

@ -426,24 +426,22 @@ xfs_dir2_leaf_to_node(
static int /* error */
xfs_dir2_leafn_add(
struct xfs_buf *bp, /* leaf buffer */
xfs_da_args_t *args, /* operation arguments */
struct xfs_da_args *args, /* operation arguments */
int index) /* insertion pt for new entry */
{
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_inode *dp = args->dp;
struct xfs_dir2_leaf *leaf = bp->b_addr;
struct xfs_dir2_leaf_entry *lep;
struct xfs_dir2_leaf_entry *ents;
int compact; /* compacting stale leaves */
xfs_inode_t *dp; /* incore directory inode */
int highstale; /* next stale entry */
xfs_dir2_leaf_t *leaf; /* leaf structure */
xfs_dir2_leaf_entry_t *lep; /* leaf entry */
int highstale = 0; /* next stale entry */
int lfloghigh; /* high leaf entry logging */
int lfloglow; /* low leaf entry logging */
int lowstale; /* previous stale entry */
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_dir2_leaf_entry *ents;
int lowstale = 0; /* previous stale entry */
trace_xfs_dir2_leafn_add(args, index);
dp = args->dp;
leaf = bp->b_addr;
dp->d_ops->leaf_hdr_from_disk(&leafhdr, leaf);
ents = dp->d_ops->leaf_ents_p(leaf);