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xfs: add more attribute tree trace points.

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Added when debugging recent attribute tree problems to more finely
trace code execution through the maze of twisty passages that makes
up the attr code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner
2012-11-12 22:53:53 +11:00
committed by Ben Myers
parent 37eb17e604
commit ee73259b40
4 changed files with 99 additions and 16 deletions
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18
fs/xfs/xfs_attr.c
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@ -1155,6 +1155,8 @@ xfs_attr_leaf_get(xfs_da_args_t *args)
struct xfs_buf *bp;
int error;
trace_xfs_attr_leaf_get(args);
args->blkno = 0;
error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
XFS_ATTR_FORK);
@ -1185,6 +1187,8 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context)
int error;
struct xfs_buf *bp;
trace_xfs_attr_leaf_list(context);
context->cursor->blkno = 0;
error = xfs_da_read_buf(NULL, context->dp, 0, -1, &bp, XFS_ATTR_FORK);
if (error)
@ -1653,6 +1657,8 @@ xfs_attr_fillstate(xfs_da_state_t *state)
xfs_da_state_blk_t *blk;
int level;
trace_xfs_attr_fillstate(state->args);
/*
* Roll down the "path" in the state structure, storing the on-disk
* block number for those buffers in the "path".
@ -1699,6 +1705,8 @@ xfs_attr_refillstate(xfs_da_state_t *state)
xfs_da_state_blk_t *blk;
int level, error;
trace_xfs_attr_refillstate(state->args);
/*
* Roll down the "path" in the state structure, storing the on-disk
* block number for those buffers in the "path".
@ -1755,6 +1763,8 @@ xfs_attr_node_get(xfs_da_args_t *args)
int error, retval;
int i;
trace_xfs_attr_node_get(args);
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
@ -1804,6 +1814,8 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
int error, i;
struct xfs_buf *bp;
trace_xfs_attr_node_list(context);
cursor = context->cursor;
cursor->initted = 1;
@ -1959,6 +1971,8 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
int nmap, error, tmp, valuelen, blkcnt, i;
xfs_dablk_t lblkno;
trace_xfs_attr_rmtval_get(args);
ASSERT(!(args->flags & ATTR_KERNOVAL));
mp = args->dp->i_mount;
@ -2014,6 +2028,8 @@ xfs_attr_rmtval_set(xfs_da_args_t *args)
xfs_dablk_t lblkno;
int blkcnt, valuelen, nmap, error, tmp, committed;
trace_xfs_attr_rmtval_set(args);
dp = args->dp;
mp = dp->i_mount;
src = args->value;
@ -2143,6 +2159,8 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args)
xfs_dablk_t lblkno;
int valuelen, blkcnt, nmap, error, done, committed;
trace_xfs_attr_rmtval_remove(args);
mp = args->dp->i_mount;
/*